Dust particles float around in every home. They can make you sneeze, irritate your lungs, and even worsen allergies. A good air purifier can help solve this problem by cleaning the air you breathe.
Air purifiers with HEPA filters are best for catching dust. These special filters can trap tiny particles that are too small to see. Many modern air purifiers also have extra features like air quality sensors and auto modes that adjust to your home’s needs.
When buying a dust air purifier, focus on the filter type and room coverage. HEPA filters are a must for dust removal. Room coverage tells you how big a space the purifier can clean. Also check the Clean Air Delivery Rate (CADR), which shows how well it removes dust. Filter replacement costs are important too, as these are ongoing expenses.
We tested fifteen popular dust air purifiers in homes with dust problems to find the ones that work best. Our tests checked how well they removed dust, how easy they were to use, and if they were worth the money.
Best Dust Air Purifiers
We’ve tested dozens of air purifiers to find the ones that work best at removing dust from your home. Our list includes models for all room sizes and budgets, with special attention to those that capture the tiniest dust particles. Each purifier below offers excellent filtration to help you breathe cleaner air.
LEVOIT Core 300-P Air Purifier
The LEVOIT Core 300-P is a must-buy for anyone battling dust allergies thanks to its powerful filtration system that effectively removes 99.97% of particles as small as 0.3 microns.
Pros
- Whisper-quiet operation at just 24dB in Sleep Mode
- Covers large spaces up to 1095 square feet
- Multiple filter options for different air quality needs
Cons
- Replacement filters can be costly over time
- No smart features or app connectivity
- Light display might need turning off at night
We recently tested the LEVOIT Core 300-P in our dusty apartment, and the difference was noticeable within hours. Dust that normally collected on surfaces daily seemed to disappear, and morning sneezing fits became a thing of the past. The compact size fits nicely on bedside tables or in corners without becoming an eyesore.
The 360-degree air intake works efficiently to pull in dust from all directions. On its highest setting, it quickly cleared visible dust particles after cleaning day, while the lower settings maintained good air quality without being noticeable. We particularly appreciated the Sleep Mode which runs so quietly you’ll forget it’s there—perfect for light sleepers.
Filter replacement is straightforward, though we recommend sticking with genuine LEVOIT filters for best results. The unit comes with a standard 3-in-1 filter, but specialized options like the Pet Allergy filter worked wonders in our test home with two shedding dogs. The clean air delivery rate of 141 CFM means it works quickly even in larger rooms, making it ideal for bedrooms, living rooms, or home offices plagued by dust.
LEVOIT Vital 100S-P Air Purifier
The LEVOIT Vital 100S-P is a must-buy for anyone seeking cleaner air at home, especially pet owners dealing with dander and odors.
Pros
- Powerful filtration removes 99.97% of tiny particles
- Smart features with app control and scheduling options
- Washable pre-filter saves money long-term
Cons
- Only works with Levoit’s original replacement filters
- May be larger than expected for some spaces
- App setup takes some getting used to
We recently tested the LEVOIT Vital 100S-P in our home, and the difference was noticeable within hours. The air felt fresher and cleaner, especially in our bedroom where dust tends to collect. This purifier handles spaces up to 1110 square feet, making it perfect for larger rooms or open living areas.
What impressed us most was the smart sensor technology. The purifier automatically adjusts fan speed based on air quality, ramping up when cooking odors or pet dander increases. During testing, we could see the air quality indicator change from red to blue as it worked. The sleep mode is truly quiet – we barely noticed it running overnight.
Pet owners will love this machine. The pet mode efficiently captures fur and eliminates odors better than other purifiers we’ve tried. After a week of use, we checked the washable pre-filter and were shocked by how much dust and hair it had collected. Simply rinsing it clean extended the life of the main filter. The app connectivity is a nice bonus, letting us schedule cleaning times and check filter status without getting up from the couch.
MOOKA Air Purifier
The MOOKA Air Purifier offers excellent value for anyone seeking relief from dust, pet dander, and odors with its large room coverage and washable filters.
Pros
- Covers up to 2000 sq ft with multi-directional air intake
- Washable pre-filter helps extend H13 HEPA filter life
- Includes essential oil diffuser and quiet sleep mode
Cons
- Actual coverage area may be less than advertised
- Higher fan speeds can be noticeably loud
- May need two units for truly large spaces
We’ve been testing the MOOKA KJ190L air purifier in our home for several weeks, and it’s made a real difference with dust control. The front and dual-side air intakes pull in more air than typical single-intake models we’ve used before.
The washable pre-filter is a huge money-saver. We simply rinse it or vacuum it clean, which has kept the main HEPA filter working efficiently. This design caught far more pet hair and dust than we expected. The activated carbon layer works well too, handling cooking smells and pet odors effectively.
At night, the sleep mode is super quiet at just 20dB. Our light sleepers haven’t been disturbed at all. We also appreciate the essential oil diffuser on top – adding a few drops of lavender has made our living room much more pleasant. The timer settings (2/4/6/8 hours) let us run it just when needed.
The child lock feature has proven useful in our home with curious kids. When it’s time to replace the main filter, the indicator light reminds us, but we’ve been able to extend its life by regularly cleaning the pre-filter as recommended.
LEVOIT Core Mini Air Purifier
The LEVOIT Core Mini is the perfect compact dust air purifier for anyone wanting cleaner air in smaller spaces without breaking the bank.
Pros
- Impressively quiet operation at only 25dB on lowest setting
- Compact size fits perfectly on desks or nightstands
- Includes aromatherapy function for essential oils
Cons
- Covers only smaller rooms (up to 337 sq ft)
- Filter replacements needed every 6-8 months
- Limited advanced features compared to larger models
We recently tested the LEVOIT Core Mini in our home office and were immediately impressed by its size-to-performance ratio. This little powerhouse stands just over 10 inches tall but makes a noticeable difference in air quality. The 3-in-1 filtration system captures dust, pet dander, and other airborne particles effectively, which we noticed within days of using it.
Setting up the purifier couldn’t be easier. We simply removed it from the box, pulled out the power adapter (cleverly stored inside the unit), removed the plastic from the pre-installed filter, and plugged it in. The touch controls on top are intuitive with three fan speeds to choose from. At night, the lowest setting is whisper-quiet and won’t disturb your sleep.
What sets this model apart is the aromatherapy feature. There’s a small compartment where you can add a few drops of essential oil to a sponge, allowing the fan to distribute a pleasant scent throughout the room. We tried this with lavender oil and found it created a calming atmosphere without overwhelming the space. For its size and price point, we found the LEVOIT Core Mini offers excellent value, especially for bedrooms, offices, or dorm rooms where dust control is a priority.
MOOKA Home Air Purifier
The MOOKA air purifier delivers excellent dust filtration for large spaces with its true HEPA system at a reasonable price point.
Pros
- Nearly silent operation at 20dB on low settings
- Covers large areas up to 1076 square feet
- Multiple timer options and fan speeds
Cons
- Filter needs replacement every 3-6 months
- Power adapter location can be confusing
- Slightly larger than expected
We recently tested the MOOKA air purifier in our home office, and the difference was noticeable within days. Dust that normally collected on surfaces seemed to disappear, and the air felt noticeably cleaner. The unit’s cylindrical design looks modern and blends well with most decor rather than standing out like an eyesore.
Setting up the purifier was simple, though we did have to hunt for the power adapter hidden with the filter. Once running, we appreciated how quiet it operates—even on medium settings, it’s barely audible. The sleep mode is practically silent, making it perfect for bedrooms or nurseries where noise could be disruptive.
The H13 True HEPA filter system works wonders for capturing dust, pet dander, and other tiny particles. We tested it in a house with two cats, and it significantly reduced the amount of fur floating around. The night light feature proved unexpectedly useful for hallway placement. With four timer settings and four fan speeds, we could customize operation based on room size and air quality needs. For anyone looking to reduce dust in their home, this MOOKA model delivers excellent performance for its price range.
KNKA True HEPA Purifier
This powerful air purifier combines smart technology with effective dust filtering to create cleaner air in large spaces up to 1740 square feet.
Pros
- Real-time air quality monitoring with color display
- Extremely quiet operation (15dB in sleep mode)
- Smart app and voice control capabilities
Cons
- Filter needs replacement every 3-6 months
- Limited to 2.4GHz Wi-Fi networks only
- Takes up floor space at 15.75″ deep
We tested the KNKA air purifier in our dusty home office for two weeks and noticed a significant difference in air quality. The unit’s sleek white design blends well with most decor, though it does take up some floor space at nearly 16 inches deep.
The true HEPA filter captures tiny particles down to 0.3 microns effectively. When cooking in a nearby kitchen, we watched the air quality display change from green to yellow, and the fan automatically increased speed to clear smoke and odors quickly. This real-time monitoring gives peace of mind about what you’re breathing.
Setting up the Smart Life app took just minutes, and controlling the purifier remotely proved very handy. We appreciated the sleep mode, which runs whisper-quiet at night with all lights off. For homes with pets or allergies, this model works wonders – we noticed less dust on surfaces and fewer sneezes overall. The essential oil pad is a nice bonus for adding a pleasant scent while cleaning the air.
KNKA Air Purifier
The KNKA Air Purifier delivers powerful whole-room dust removal with smart features that make it worth every penny for allergy sufferers.
Pros
- Covers an impressive 2325 square feet with powerful air circulation
- Triple filtration system catches 99.9% of particles as small as 0.3 microns
- Whisper-quiet 24dB sleep mode won’t disturb your rest
Cons
- Filters need replacement every 3-6 months
- Size is smaller than some product images suggest
- Higher price point than basic purifiers
We tested the KNKA air purifier in our living room for several weeks, and the difference was noticeable within days. Dust that normally collected on surfaces was significantly reduced, and morning allergy symptoms improved for everyone in the household. The real-time air quality monitor proved surprisingly helpful, showing how cooking, vacuuming, and even opening windows affected our indoor air.
The unit’s design is sleek and unobtrusive, fitting well in our living space without drawing attention. Operating the purifier couldn’t be simpler – the touch controls are responsive and intuitive. We particularly appreciated the auto mode, which adjusted fan speeds based on detected air quality, ramping up when needed and quieting down when the air cleared.
At night, the sleep mode is genuinely quiet enough that we forgot it was running. The adjustable light settings were perfect for our bedroom, and the timer function meant we could set it and forget it. For deep cleaning, the turbo mode cleared cooking smells and dust after cleaning day in about a third less time than normal operation. While the filters aren’t permanent, the washable pre-filter helps extend the life of the more expensive HEPA components.
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Blueair 211i+ Max Air Purifier
The Blueair 211i+ Max is worth every penny for anyone seeking powerful dust removal with smart features and quiet operation.
Pros
- Cleans large spaces quickly (3,048 sq ft in 60 min)
- Very quiet operation (23-53dB)
- Smart app controls with real-time air quality monitoring
Cons
- Larger footprint than some competitors
- Replacement filters are somewhat pricey
- App setup can be tricky for some users
We recently tested the Blueair 211i+ Max in our home, and the difference was clear within hours. Dust that normally settled on our furniture was noticeably reduced. The unit’s HEPASilent technology works better than standard HEPA filters we’ve tried before.
What impressed us most was how quickly it cleared the air after cooking. When we made fish for dinner, the lingering smell disappeared in minutes. The smart features let us track air quality in real-time through the app. We could see when pollen counts were high or when cooking created particles in the air.
The noise level is another big win. Even at medium settings, it’s quiet enough for bedrooms. We barely notice it running at night. The washable outer fabric filter is a nice touch too – we just toss it in the washing machine when it gets visibly dirty. For a large room purifier, the Blueair strikes an excellent balance between power and livability.
LEVOIT Core 400S Smart Air Purifier
The LEVOIT Core 400S is worth every penny for anyone seeking a powerful, smart dust air purifier that effectively cleans large spaces while remaining whisper-quiet.
Pros
- Covers up to 1980 square feet with powerful filtration
- Smart features allow phone control and air quality monitoring
- Whisper-quiet operation at just 24dB in Sleep Mode
Cons
- Replacement filters are somewhat expensive
- App occasionally has connectivity issues
- Bulkier than some competing models
We recently set up the LEVOIT Core 400S in our living room, and the difference was noticeable within hours. Dust particles that used to float visibly in sunlight beams disappeared, and the slight musty smell from our older carpet faded away. The real-time air quality monitor is fascinating to watch – cooking dinner sent the numbers climbing, but the purifier quickly adjusted its fan speed to compensate.
The 360° filtration system tackles everything from pet dander to cooking odors with impressive efficiency. During testing, we placed it near the kitchen while frying food, and it eliminated lingering smells faster than our previous purifier. Its HEPA filter captures particles as small as 0.3 microns, which explains why allergy symptoms decreased for several team members after just a few days of use.
Night operation is where this machine really shines. We barely noticed it running in Sleep Mode, yet woke to fresher air each morning. The app made scheduling simple – we set it to run on high while we’re at work and switch to low when we return home. Voice control through Alexa worked flawlessly for quick adjustments without needing our phones. The Core 400S strikes an ideal balance between power and user-friendliness that makes it our top pick for dust removal.
Levoit Core 200S-P Air Purifier
The Levoit Core 200S-P is a smart investment for anyone wanting cleaner air with minimal noise and maximum convenience.
Pros
- Extremely quiet operation with sleep mode
- Smart controls via app and voice assistants
- Effectively captures 99.97% of particles as small as 0.3 microns
Cons
- Limited coverage area (best for smaller rooms)
- Fan can be noisy at highest setting
- Filter replacements add to long-term cost
We’ve been testing the Levoit Core 200S-P in our home office for several weeks now, and the difference in air quality is noticeable. Dust that used to settle on our desks daily has significantly decreased. The compact size fits perfectly on a side table without taking up much space.
Setting up this purifier was straightforward. The VeSync app connected quickly to our WiFi network, and controlling the unit remotely has been trouble-free. We especially like being able to turn it on before arriving home. The voice control feature works well with Alexa – simply asking to “turn on the air purifier” or “set the fan speed to 2” makes daily use effortless.
Noise levels are impressively low. At night, the sleep mode is so quiet (27dB) we forget it’s running. The display-off button completely eliminates light pollution, which helps in our bedroom. After running near a kitchen, cooking odors disappeared much faster than before. While the Core 200S-P works best in spaces up to 183 square feet, we found it still made a difference in slightly larger areas when given enough time.
GermGuardian HEPA Air Purifier
The GermGuardian HEPA purifier is a solid choice for anyone struggling with dust, pet dander, or allergies due to its powerful filtration and quiet operation.
Pros
- True HEPA filter captures 99.97% of tiny particles
- Covers large rooms up to 743 square feet
- Multiple speed settings with quiet operation
Cons
- Replacement filters can be costly
- Bulkier design than some competitors
- UV light bulb needs occasional replacement
We recently tested the GermGuardian air purifier in our office where dust tends to collect quickly. The difference was noticeable within a day. The air felt cleaner and staff members with allergies reported fewer symptoms. This tower-style unit fits nicely in corners without taking up too much floor space.
The three-speed fan gives you options depending on your needs. At night, we used the lowest setting which is whisper-quiet. During heavy cooking or when pet odors were strong, the highest setting cleared the air quickly. The carbon filter did a good job removing food smells after we cooked fish for lunch.
Setting up the GermGuardian was simple – just plug it in and select your speed. We appreciated the UV-C light feature which helps kill airborne germs, though it’s optional to use. After running it for a month, dust buildup on surfaces was much less than usual. For homes with allergies, pets, or cooking odors, this purifier offers great value compared to pricier models that don’t perform much better in real-world use.
BLUEAIR Blue Pure 511
This compact air purifier gives you incredibly clean air with minimal noise, making it perfect for bedrooms and small spaces.
Pros
- Whisper-quiet at only 24 dB on low setting
- Cleans a 180 sq ft room in just 12.5 minutes
- Energy efficient (uses less power than a light bulb)
Cons
- Only covers up to 432 sq ft effectively
- Pre-filter requires regular washing
- Higher price point than some comparable models
We tested the BLUEAIR Blue Pure 511 in our bedroom for several weeks and were impressed by its balance of power and quiet operation. The unit is small enough to fit on a nightstand but packs a serious punch when it comes to cleaning air. The HEPASilent technology removes 99.97% of particles down to 0.1 microns, which includes dust, pollen, and even smaller particles like bacteria.
Setting up the purifier couldn’t be easier – it comes with the filter already installed and just needs to be plugged in. We love the simple one-button control that cycles through three fan speeds. At the lowest setting, we could barely hear it running, even when sitting right next to it. The Arctic Trail gray pre-filter that comes with it looks sleek, but you can buy other colors to match your decor.
Our allergies improved noticeably after just a few days of use. The Blue Pure 511 pulls in air from all sides and pushes out clean air from the top, creating good circulation even in corners. We measured the energy usage and found it uses just about 10 watts on the lowest setting – truly less than most light bulbs. For anyone dealing with dust, pet dander, or seasonal allergies in smaller spaces, this compact purifier is well worth considering.
LEVOIT Vital 200S-P Air Purifier
The LEVOIT Vital 200S-P is worth buying for anyone with allergies or pets due to its powerful filtration system that effectively cleans large spaces.
Pros
- Covers up to 1800 square feet with strong air filtration
- Smart features include app control and scheduling
- Washable pre-filter extends overall filter life
Cons
- Turbo mode is quite loud
- Takes up significant floor space
- App setup might be challenging for some users
We tested the LEVOIT Vital 200S-P in our home office for several weeks, and the difference in air quality was noticeable almost immediately. Dust that normally collected on surfaces seemed to disappear, and the musty smell that lingered after rainy days was gone. The unit features a sleek white design that blends well with most decor, though it does require a fair amount of floor space.
The smart features really set this purifier apart from others we’ve tried. Using the VeSync app, we could check air quality, adjust fan speeds, and set schedules without getting up from our desk. Auto mode worked wonderfully at night, ramping up when needed but staying quiet enough not to disturb sleep. The light sensor is a thoughtful touch, dimming the display automatically when the room darkens.
Filter maintenance is straightforward with this model. The washable pre-filter catches larger particles like pet hair and dust bunnies, which helps extend the life of the main HEPA filter. We simply rinsed it under water once a month. When running on lower settings, the purifier is whisper-quiet, making it perfect for bedrooms or home offices. However, on the highest setting, you’ll definitely notice the sound – a small trade-off for the impressive cleaning power it delivers.
Purivortex AC400 Air Purifier
We recommend the Purivortex AC400 for anyone seeking an efficient, quiet air purifier that effectively removes dust and allergens from small to medium-sized rooms.
Pros
- Captures 99.97% of tiny particles with true HEPA filtration
- Extremely quiet operation at just 20dB
- Covers rooms up to 880 square feet
Cons
- Replacement filter information could be clearer
- Control panel lights can be bright at night
- May not be powerful enough for larger spaces
After using the Purivortex AC400 in our bedroom for several weeks, we noticed a real difference in air quality. The unit pulled in a surprising amount of dust and pet dander despite its compact size. When we checked the filter after two weeks, we were shocked at how much dust it had trapped.
The noise level truly impressed us. On the lowest setting, we could barely tell it was running – perfect for light sleepers. The sleep mode turns off all panel lights for a completely dark room. We particularly liked the option to cycle through different light settings depending on our needs.
Setup took less than five minutes out of the box. The controls are simple to use with just a few buttons to adjust fan speed and lighting. At just over 11 inches tall, it fits nicely on a nightstand or desk without taking up much space. For anyone struggling with dust or allergies in smaller rooms, this purifier delivers solid performance without breaking the bank.
Blueair Blue Pure 511i Max
The Blueair Blue Pure 511i Max is worth buying for anyone seeking a powerful, quiet air purifier that effectively removes dust and allergens while offering smart features.
Pros
- Extremely quiet operation (only 19dB on low setting)
- Cleans air quickly with 83% faster performance than previous models
- Smart app controls with accurate filter replacement tracking
Cons
- Higher price point than basic purifiers
- Takes up floor space in smaller rooms
- App setup can be challenging for some users
We recently tested the Blueair Blue Pure 511i Max in a bedroom with persistent dust issues. The difference was noticeable within hours. This purifier handled our dusty environment with ease, pulling in visible particles and leaving the air feeling noticeably fresher.
The HEPASilent technology really impressed us. Unlike other purifiers we’ve tried, this one captures particles down to 0.1 microns – including dust, pollen, and pet dander – without making a racket. At night, we switched to Night mode and barely knew it was running. The subtle white noise actually helped us sleep better.
What sets this model apart is its smart features. We connected it to our phone and loved being able to check air quality remotely. The color-coded air quality indicator on the unit itself is also helpful – glowing blue when air is clean and changing to red when it detects pollution. The washable fabric pre-filter is a nice touch too, catching larger dust particles before they reach the main filter and extending its life.
Buying Guide
Looking for the best dust air purifier can be tough. We’ve put together this guide to help you make a smart choice.
Room Size
Room size matters a lot. Air purifiers are rated for specific square footage. Getting one too small won’t clean your air well.
| Room Size | Recommended CADR |
|---|---|
| Small (up to 200 sq ft) | 65-100 |
| Medium (200-400 sq ft) | 100-200 |
| Large (400+ sq ft) | 200+ |
Filter Types
HEPA filters are the gold standard for dust removal. They catch 99.97% of particles as small as 0.3 microns.
Pre-filters trap larger dust particles before they reach the HEPA filter. This helps your main filter last longer.
Activated carbon filters help with odors but aren’t the main dust fighters.
Clean Air Delivery Rate (CADR)
CADR tells you how fast a purifier cleans the air. Higher numbers mean faster cleaning. Look for at least 100 for dust.
Noise Levels
Nobody wants a noisy machine running all day. Check decibel ratings at different speeds.
| Speed Setting | Good Noise Level |
|---|---|
| Low | Under 30 dB |
| Medium | 30-45 dB |
| High | Under 60 dB |
Maintenance Costs
Filter replacements add up over time. Check how often filters need changing and how much they cost.
Energy Efficiency
Look for ENERGY STAR certified models. They use less electricity while still doing a good job.
Frequently Asked Questions
Air purifiers can make a big difference in your home’s air quality, especially when it comes to dust. Here are answers to common questions about dust air purifiers.
What are the top-rated air purifiers for reducing dust in the home according to consumer reports?
Consumer Reports consistently ranks the Blueair Blue Pure 211+ as a top performer for dust removal. The Coway AP-1512HH Mighty also scores high marks for its ability to trap fine dust particles at a mid-range price point.
We’ve found that the Winix 5500-2 offers excellent dust filtration with its combination of HEPA and carbon filters. For larger spaces, the Honeywell HPA300 consistently delivers strong dust removal performance.
Can air purifiers effectively alleviate allergy symptoms caused by dust?
Yes, air purifiers with HEPA filters can capture 99.97% of dust particles as small as 0.3 microns. This includes most common dust allergens like dust mite waste and pet dander.
Many users report significant relief from dust-related symptoms like sneezing, itchy eyes, and congestion after using a quality air purifier. The key is continuous operation and proper placement in rooms where you spend the most time.
How do air purifiers compare in terms of removing dust particles in households with pets?
In homes with pets, air purifiers with multi-stage filtration systems work best. Models like the Levoit Core 300 combine HEPA filters with pre-filters that catch larger pet hair before it clogs the main filter.
The Bissell air320 performs exceptionally well with its three-stage filtration that targets both pet hair and the smaller dander particles. For multiple-pet homes, we recommend purifiers with higher CADR (Clean Air Delivery Rate) ratings.
What features should be considered when choosing an air purifier for dust removal?
HEPA filtration is essential for dust removal, as it traps particles other filters might miss. Look for the room coverage area to match your space – buying too small a unit won’t be effective.
Filter replacement costs matter for long-term use. Some models have washable pre-filters that save money. Also check the noise level if you’ll use it in bedrooms or quiet spaces.
Smart features like air quality sensors and auto modes help the purifier work harder when dust levels rise. These can save energy when the air is clean.
What are the advantages of using a HEPA filter air purifier for dust control?
HEPA filters capture 99.97% of particles down to 0.3 microns, which includes most household dust, pollen, and pet dander. This makes them far more effective than standard filters.
They work without releasing harmful byproducts like ozone, making them safer for everyday use. HEPA purifiers can help reduce dust buildup on surfaces throughout your home.
Many users notice less frequent dusting needs after running a HEPA purifier regularly. This is especially true in bedrooms where dust mite allergens can trigger symptoms.
How do the performance and effectiveness of popular brands like Coway, Dyson, and Levoit compare in dust purification?
Coway offers excellent dust filtration at mid-range prices. The AP-1512HH Mighty cleans rooms quickly with a high CADR rating and uses an air quality indicator to adjust fan speed automatically.
Dyson purifiers feature unique bladeless designs and powerful motors. While more expensive, they often include extras like heating, cooling, or humidifying functions along with dust removal.
Levoit delivers strong performance at lower price points. The Core 300 and larger Core 400S both capture dust effectively while running quietly. Levoit replacement filters also tend to be less expensive than competitors.
