10 Best Air Filter Wirecutter in 2024 - The Top Reviews

OZONE FREE: Levoit air purifiers avoid using UV-C light, an air cleaning method that research has shown can produce harmful ozone and secondary pollution

HIGH PERFORMANCE: Enjoy fresh air in minutes with the Core 300 True HEPA Air Purifier. Featuring VortexAir Technology and 360° air intake, the Core 300 cleans spaces up to 547 ft² in 30 minutes, 219 ft² in 12 minutes (CADR: 141 CFM / 240 m³/h). Only products over 6 pounds can be equipped with such powerful motors that optimize the air cleaning performance

FIND RELIF: Ease sneezing, congestion, and other allergy symptoms caused by airborne contaminants. The H13 True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to capture 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, odor

OFFICIAL LEVOIT FILTERS: Search for B07RSZSYNC or Core 300-RF to find Levoit's Core 300 replacement filter. Levoit filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier

MULTIPLE FILTER CHOICES: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins and VOCs. The Smoke Remover filter specializes in wildfire, smoke and etc. And the Pet Allergy Filter helps to capture pet dander and absorb unpleasant odors

MOST SILENT AIR CLEANER: Choose Sleep Mode at night and then forget all about your air purifier while you sleep. QuietKEAP Technology reduces noise levels to a near-silent 24dB, ensuring the Core 300 won’t get in the way of a good night’s rest

SLEEK DESIGN: The Core 300 practically serves your home while blending in with your decor. Its award-winning design (Red Dot, 2020) and modern white finish help your air purifier fit anywhere in your home/bedroom/room

UNDISTURBED OPERATION: Display light can be turned off to enjoy a perfect night of sleep without the effect of light. A timer for 2/4/6/8 hours and filter life time indicator for your convenience

FULL CERTIFIED FOR SAFER: Energy Star Verified, Complies with California air resources board (CARB) for indoor cleaning devices. Also FCC certified, ETL listed

DIRTY AIR RELIEF! LOOK NO FURTHER FOR BEST-PERFORMING, MOST DURABLE, and MOST ECONOMICAL AIR PURIFIER ON THE MARKET! No need to struggle with cheap, ineffective and fake "HEPA" Air purifiers. From the intuitive app with its wide range of functionality to the award-winning sleek design, the Core 400S is hard to beat which filters your space in a matter of minutes

LARGE PURIFICATION AREA + 360° AIR INTAKE--PERFECT CHOICE FOR YOUR LIVING ROOM/ PLAYROOM/ BEDROOM! The powerful VortexAir technology brings air in from 360-degrees, which is why it can purify your 1005 sqft space 2 times an hour, 403 sqft space 5 times an hour!

H13 True HEPA Filtration: Ease sneezing, congestion, and other allergy symptoms caused by pollen, mold and more. High-Efficiency Activated Carbon Filter to protect you from wildfire smoke and other odors!

SENSITIVE AUTO MODE--SET IT AND FORGET IT!: With exclusive AirSight Plus Technology-internal lasers that measure air quality, automatically adjust the fan speed accordingly, and deliver real-time readings for you. It reads the air—so it can clean the air!

CONVENIENT SMART CONTROL--ANYTIME, ANYWHERE! Control air purifier settings, check filter life, create schedules and more—you can do it all in the free VeSync app. All from ANYWHERE, at work, at play, out for the evening, WHEREVER

ENJOY HANDS FREE CONTROL--JUST ONE WORD! Connect the air purifier to Amazon Alexa or Google Assistant to give the air purifier voice commands when your hands full with meal prepping

OPERATES IN TOTAL SILENCE--WHISPER QUIET! If you run both throughout the night. You barely know it's on, sometimes you have to check the display to be sure-it’s that quiet! SLEEP better, BREATHE better, LIVE better!

SAVE ENERGY-SAVE MONEY! We truly know the importance of energy saving, so the maximum power of this purifier is only 38W-you spend less than 12 cents a day-5 years constantly use <$ 470 (Electricity Bill + Filter maintenance fee) -It's a real bargain!

DESIGNED IN CALIFORNIA--TREAT YOU LIKE FAMILY! An air purifier is no longer a "nice-to-have"…it's a "must-have" home appliance—air purifiers are more popular than ever, but they're not all created equal! The Core 400S is FULLY CERTIFIED AND SAFE- Feel free to contact our professional Customer Support Team if you have any questions

Genuine Levoit Filters: Only use genuine Levoit replacement parts to maintain the best performance (Search for Core 400S-RF or B08SQQK6K7). Off-brand filters are inconsistent, unreliable, and may damage the air purifier

6-FAN AIRFLOW: Six high-speed micro-fans work together to evenly distribute airflow across the filter.

ULTRA-FAST MEETS ULTRA-QUIET: With multiple smaller fans, you get a remarkably quiet clean, and an incredibly fast clean air delivery rate.

TRACKS & ADJUSTS AUTOMATICALLY: Clean Sense IQ tracks air quality and auto-adjusts power to constantly maintain clean air in your home. The easy-to-use control panel displays data in real time.

ANTI-ALLERGEN HEPA MULTI-FILTER: Shark’s Anti-Allergen Multi-Filter captures 99.98% of dust, dander, allergens, smoke, and household odors. Based on HEPA filtration standards of 99.98% filtration, down to 0.3 microns.

HEIGHTENED ODOR PROTECTION: An advanced odor guard on the filter protects against household odors from cooking, cleaning products, and more.

ALL-DAY CLEAN AIR CONFIDENCE: An intuitive display panel gives you real-time air quality reports, to give you clarity & confidence in the air you breathe.

XL CLEANING AREA: 6 fans working together generate the power to purify up to 1,200 square feet. Based on one air change per hour.

REMOTE CONTROL INCLUDED: An easy-to-use remote gives you complete control from anywhere in a room.

WHAT'S INCLUDED: Shark Air Purifier 6 & Remote Control.

Neutralize Stinky Smells: Cute as they are, pets can smell sometimes. Now introducing Custom High-Efficiency Activated Carbon Filter - the effective odor eliminator for pet odors, litter box smells, and cooking smoke.

Perfect for Pet Parents: Experiencing coughing, congestion, or breathing difficulties caused by pets. Levoit Core P350 provides H13 True HEPA Filtration to reduce sneezing, itchiness, and stuffy nose by purifying the air you breathe.

Cleaner House: Did you know an air purifier can help you spend less time cleaning. It's possible with P350. The fine Non-Woven Fabric Pre-Filter traps large floating particles such as pet fur, hair, dust, and lint, helping to reduce the amount of debris on your floor and furniture.

Sleep Safe & Sound: Don't ever worry about your furry friend being disturbed by the air purifier - Sleep Mode turns display indicators to half-brightness and keeps noise levels as low as 24dB, so you can sleep while cuddling with your cute little one.

Safety First: Unlike other air purifiers, the Core P350 doesn't use ions to purify the air, keeping your pets safe from harmful exposure to certain particles.

Pet Lock: Let your children and pets play freely while the Pet Lock prevents them from changing the settings—it’s worry-free family time.

Powerful, In Many Ways: Large house with a lot of pets. No problem—the Core P350 can purify a 219 ft² room in just 12 minutes.

We’ve Got Your Back: Levoit is full of people who love their pets, just like you do. Based in California and always innovating, we create products that care for our customers and their homes.

How to Find Replacement Filters: Search for B087R7ZFPB or Core P350-RF to find the official Levoit True HEPA 3-Stage Pet Allergy Filter. Levoit replacement filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier.

3-IN-1 AIR PURIFIER FOR HOME - True HEPA air filter reduces up to 99.97% of harmful germs, dust, pollen, pet dander, mold spores, and other allergens as small as .3 microns from the air

KILLS GERMS - UV-C light helps kill airborne viruses such as influenza, staph, rhinovirus, and works with Titanium Dioxide to reduce volatile organic compounds

TRAPS ALLERGENS - Pre-filter traps dust, pet hair, and other large particles while extending the life of the HEPA filter

REDUCES ODORS - Activated charcoal filter helps to reduce unwanted odors from pets, smoke, cooking fumes, and more

QUIET OPERATION - The lowest setting can be used as gentle white noise at night for a quiet, restful sleep

Purify your air – Our 5-in-1 filter system targets pollen, dust, pet dander, VOC’s, smoke, and odors. Our H11 HEPA filter captures 99.9% of particles down to 0.3 microns.

What you get – Smart air purifier, True HEPA filter set, remote control, manual, 2-year warranty, award-winning customer support 7 days a week, and the peace of mind that comes from a trusted American brand.

Remove odors, smoke, & VOC’s – Both an air cleaner and odor eliminator, our air purifier features a unique honeycomb activated-carbon filter that absorbs odors, smoke, and VOC’s. With a state-of-the-art fan and motor, enjoy clean air delivered quietly and efficiently in your home, bedroom, office, kitchen, basement, dorm, apartment, or living room.

Breathe easier – Nothing feels better than breathing clean air. Read our 10,000+ reviews and see just how much our air purifier can assist and support the body’s natural response during allergy season.

Smart air purifier – In AUTO mode, a smart air quality sensor detects pollutants in your air, adjusting the fan speed in real-time. A digital display on the unit reveals your air quality level, so you always know what you’re breathing.

UV LIGHT: An added layer of protection so particles are trapped and fully removed from the air. Includes a touch operation panel with 2-12 hour timer, 4 fan speeds, sleep mode, filter replacement indicator, and child lock, great for both kids and pets.

MAXIMUM COVERAGE: Cleans large spaces up to 2,200 sq ft in one hour, 1,100 sq ft in 30 minutes (CADR 500). Ideal for homes, apartments, bedrooms, living rooms, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses.

HEPA H13 FILTRATION: Trusted to remove 99.9% of harmful particles including allergens, odors, VOCs, smoke, pollen, pet dander, dust, smog, contaminants, and more down to 0.1 microns in size. Captures finer particles than HEPA H11 (0.3 microns).

ULTRA QUIET: Choose from 4 fan speeds, with the lowest setting operating virtually silent. Runs at 120 Volts at a min noise level of 35dB and max of 56dB. For the most discreet operation, enable sleep mode to completely dim the unit's panel lights.

QUALITY TESTED & BACKED: CARB, ETL, and Energy Star certified. Backed by a USA registered Lifetime Warranty when genuine Medify replacement filters are used. The replacement filter (B08Y9CQ9B9) lasts 2,500 hours or about 3-4 months.

OZONE-FREE FILTRATION: Safe is top priority! UV-C light purification methods can produce high levels of ozone that can be harmful to children, asthma patients, and pets. This air purifier only uses premium filtration, so you can experience clean, healthy air with Levoit!

SAY GOODBYE TO POLLUTED AIR: Have you ever seen what comes out of your vents, from heating and air conditioning? Even inside, you're under attack by so many pollutants! This air purifier uses 3-stage H13 True HEPA Filtration to trap dust, pet dander, pollen, and more. End the suffering, with the finest air purifier in its class

BEST-SELLING BRAND: As the #1-selling air purifier brand in the US, LV-H132 has been chosen by 958,256 customers across 9 countries. Levoit cares about your thoughts and never use fake reviews, so you can trust what you see

Official Levoit Filters: Search for B06XD7X81D or LV-H132-RF to find the Levoit Personal True HEPA Replacement Filter. Levoit replacement filters provide the best fit and filtration, while off-brand filters are unreliable and may damage the air purifier

ALWAYS HIGH-QUALITY: Everyone deserves to feel refreshed and safe at home. This air purifier is ETL listed and FCC and CARB certified. Choose Levoit for reliable products that are safe and user-friendly!

WHISPER-QUIET: Trying to sleep with rattling or loud humming noises coming from your air purifier? With noise levels as low as 25dB, this air purifier is so quiet, you can run it throughout the night and sleep soundly!

CLEAN AIR AROUND THE HOUSE: Quickly refresh the air in rooms as large as 129 ft² in 15 minutes. No matter where you spend the most time at home, enjoy fresh air in any room

USTOMIZE YOUR EXPERIENCE: Prefer to sleep with a night light? Select from two night light brightness settings to create your perfect sleep environment

SAVE ENERGY, SAVE MONEY: Sticking to a budget? No problem! This air purifier filters the air without using UV-C light, reducing its energy consumption to just 28W. Operating at its highest fan speed 24/7, running this air purifier can cost less than $3 per month!

AUTO ADJUSTS: One touch auto mode uses a particle sensor to monitor pollutant levels and adjust fan as-needed to ensure optimal air quality; LED indicator displays air quality status

MEDIUM SPACES: Ideal for playrooms or living rooms; Cleans 388 ft2 in about 12.5 min (4.8x an hour, based on AHAM recommended removal rate) or up to 1,862 ft2 in one hour; on high​ setting

MAXIMUM FILTRATION WITH MINIMUM NOISE: HEPASilent technology delivers more clean air, with less noise and less energy used than traditional HEPA filtration

LOW NOISE & ENERGY: Quieter (23 dB) than whisper on low; ENERGY STAR rated - uses less energy (3W) than an LED lightbulb on low

ASTHMA + ALLERGY: Removes 99.99% of pollen, helping reduce allergens and pollutants that trigger allergy and asthma symptoms

ODOR & PARTICLE REMOVAL: Carbon filter traps light household odors while HEPASilent tech removes 99.97% of airborne particles like dust, viruses, pet dander, smoke and bacteria down to 0.1 micron

AWARD-WINNING PERFORMANCE & DESIGN: Wirecutter Pick – The Best Air Purifier 2021, 2020, 2019; The Spruce Recommends – Top Pick

True HEPA Composite Filter☺True HEPA filter layer captures airborne particles, accopanied with an activated charcoal layer and VOC absorber to target odor and smoke, and a preliminary layer to capture large particles and prolong filter lifespan

UV Sterilizer & Negative Ion☺UV helps purify the air even deeper by neutralizing the bacteria and viruses. And the ionizer accelerates the settlement of dust and other airborne particles to strenghthen the air cleaning efficiency.

Auto Mode☺With a built-in AQ sensor, this air purifier can automatically adjust the fan speed to quickly purify air pollutants when needed, and save energy & being quiet when air quality is good.

Easy Control & Use☺This air purifier comes with a remote and other convenient features such as 3-level fan speeds, timer, sleep mode, switchable light to help you take fully advantage of this powerful air purifier.

Notice☺ Please open the front cover and take the filter out of its plastic wrapping bag before first use. DO shut the front cover firmly until you hear a click from both sides, before you start the unit.