18x20 Air Filters

20" H x 18" W x 1" D

Air-Care electrostatic air filters are 10 times more efficient than the standard disposable filter. By switching to a permanent electrostatic furnace filter, the air inside your home will be cleaner and fresher. Our furnace filters are electrostatically charged to trap up to 88% of the dust and allergens in your home. Just easily wash the filter every 1-3 months and put it back in place. The sturdy metal frame will stand the test of time. With a lifetime warranty, why not make the switch to a permanent air filter? Electrostatic Air Filters clean the air by using static electricity, a safe, naturally occurring phenomenon. An electrostatic charge is generated by air flowing through a maze of static-prone fibers. Airborne particles are attracted and held by the static charge until released by washing. All Air-Care Electrostatic Air Filters contain an EPA-registered anti-microbial material to inhibit mold and bacteria growth on the air filter surface. electrostatic air filters the air you breathe and contains many irritants such as pollen, dust, bacteria, mold spores, pet dander, and smoke. Most of these particles are smaller than one micron. Our Electrostatic Air Filters are an effective and efficient way to reduce the number of these particles in your air. This illustration shows the typical dust-loading pattern of the electrostatic fibers. This unique characteristic improves air flow while providing maximum filtration.

Best purchase in years. Much easier than buying a new one each time. Super easy to clean in between. Anonymous. Sat May 09 2026

24" H x 20" W x 1" D

Filter is a quality sturdy product. However, I wish my AC was labeled properly with correct filter size needed. Ordered size as the AC was labeled but filters were a little bigger than necessary.. Marlo. Hillsborough, CA. Wed Sep 17 2014

20" H x 20" W x 1" D

These are my favorite filters! I’m so happy Wayfair carries them. Shipping was lightening fast!. Tharin. Fayetteville, PA. Tue Jul 08 2025

20" H x 18" W x 2" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Please to have found the filters at a reasonable of price.. Naurmey. Baton Rouge, LA. Wed Jan 14 2026

Keep your LG tower-style air purifier in perfect working order with LG replacement filters. The AAFTWT130 replacement filter pack includes one PuriCare micro-particle filter and one deodorizing activated carbon filter (filter cases are not included). LG's filtration system works together to clean the air, capturing dust and other airborne particles.

Ordered my replacement filter for my LG air purifier and now it works like new! Great seller with Wayfair! High quality product at a great price!. Anonymous. Sun Mar 30 2025

20" H x 20" W x 2" D

For allergen filtration performance, the Glasfloss ZL MERV 11 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 11 filter features the latest in media technology to achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 11 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

20" H x 18" W x 1" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Great price on a quality product. These are recommended by OEM. Very happy with purchase.. David. Wed Dec 25 2024

Been using the 20x25x4 for multiple years now. Filters work great, I replace mine every 90 days in my house. Never had any issues or concerns about quality or construction of the filters. I've seen many complaints about the 1" thick filters and while I understand their concerns; a 1" thick filter is old technology and should consider getting a larger filter box. I find the complaints about the tabs holding the pleats in the filter where you may have to push a few back trivial. You're buying a MERV 11 equivalent disposable filter, again DISPOSABLE. It wasn't long ago when everyone was just using the blue fiberglass air filters.. There is a balance between retail cost and manufacturing cost. If they raised prices to appease everyone, they'd complain the filters are too expensive even though build quality is excellent!. Your Neighbor. Indiana. Wed Dec 21 2022

24" H x 20" W x 1" D

Fit is hard to find the right size filters for our furnace....so grateful you had them.. Kathryn. MO. Wed Sep 30 2020

One replacement HEPA/Activated Carbon filter for the Air Shield air purifier.

Works just like old filter when it was new! I'm ordering more from you!. Anonymous. Picayune, MS. Fri Mar 29 2024

24" H x 18" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

20" H x 20" W x 1" D

It really works massive dust reduction. Talia Marie. Chandler, AZ. Wed Sep 04 2019

20" H x 16" W x 1" D

For allergen filtration performance, the Glasfloss ZL MERV 11 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 11 filter features the latest in media technology to achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 11 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

25" H x 20" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated 4 inch air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Great product thank you. Anonymous. Fri May 31 2024

Ivation Replacement Activated Carbon Filter for IVADGOZHEPA Ivation 5-in-1 HEPA Air Purifier & Ozone Generator W/Digital Display Timer and Remote, Ionizer & Deodorizer 3,700 Sq/Ft

This is such an awesome replacement find!. Raymond. Palm Bay, FL. Thu Mar 12 2026

Get Simply Clean Air and keep your BISSELL air180 air purifier running its best buy replacing the filters every 6 months with genuine BISSELL replacement filters. Keeping up with filter maintenance means your home air purifier can keep capturing pet dander, pollen, dust, odors, and VOCs from your indoor air. The HEPA filter captures at least 99.97% of particles 0.3 microns and smaller, so you can breathe easier. BISSELL proudly supports BISSELL Pet Foundation and its mission to help save homeless pets. When you buy a BISSELL product, like this replacement filter, you help save pets, too. We're proud to design products that help make pet messes, odors and pet homelessness disappear.

I purchased this for my air purifier. It is made of very durable material. Thank you Wayfair’s.. Ellen. Lumber Bridge, NC. Thu Jan 08 2026

For reliable filtration effectiveness, the glasfloss ZL merv10 pleated 2-inch air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The Merv 10 filter features the latest in media technology to achieve a Merv 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series merv 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Air Scrubber：Optimal Living Comfort

20" H x 20" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

25" H x 20" W x 2" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated 2-inch air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Ivation Replacement Activated Carbon Filter for IVADGOZHEPA Ivation 5-in-1 HEPA Air Purifier & Ozone Generator W/Digital Display Timer and Remote, Ionizer & Deodorizer 3,700 Sq/Ft

It's what I wanted but it's no use to me without the other filters.. Janine. Youngtown, AZ. Wed Nov 20 2024

20" H x 18" W x 1" D

Specification Material: Aluminium alloy Compatible Devices: Air Conditioner, Furnace Color: Silver PackageInclude 1x Aluminum Furance Filter

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated 4 inch air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

20" H x 20" W x 4" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low-pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

I have been using this product for years and it removes the really fine dust you don't even notice in the air. In the area I live, I change the filter twice a year.. Rainman. Cincinnati, OH. Sat Feb 14 2026

20" H x 40" W x 4" D

For allergen filtration performance, the Glasfloss ZL MERV 11 pleated air filter can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 11 filter features the latest in media technology to achieve a MERV 11 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 11 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

The Shark Air Purifier 6-Fan Anti-Allergen NANOSEAL Filter with true HEPA and Advanced Odor Lock captures 99.98% of large, small, & micro-sized particles from the air and is equipped with carbon for heightened protection against household odors and VOCs. Based on IEST-RP-CC007.3, 0.1–0.2 microns. Compatible with Shark Air Purifier 6-Fan Models (HE601, HE602).

Not what I thought I was ordering but it worked out well my sister could use what I ordered.. Anonymous. Fri Feb 27 2026

Ozone Plate for OS600UV, OSAP7

10.9" H x 9.9" W x 9.9" D

Get more out of your air purifier with our PureAir HEPA filter that captures pollen, household dust, dust mite debris, pet hair, dander, smoke, smog and other fine particles. This advanced filter works with your air purifier to continuously filter the air throughout the day. The filter features a high-performance pleated design and is simple to install for optimal performance of specified Frigidaire Air Purifiers.

Vertical Stripe

The features a 4-stage air purification system, this unit removes 99.99% of airborne particles as small as 0.01 microns in size. Winix’s PlasmaWave® Technology may help to reduce the presence of airborne pollutants and impurities. The unit’s built-in Smart Sensors detect and monitor the quality of air in your environment and provides a visual representation of your current air quality. When in Auto Mode, the unit automatically adjusts fan speeds to ensure efficient and cost-effective cleaning. Sleep mode is automatically activated when the room is darkened, providing quiet, energy-efficient operation.

Amazing product, I havnt had any allergy issues since getting this purifier. Saw a review on the YouTube channel, project farm and we love it.. Heather. Voluntown Ct. Tue Apr 28 2026

Great price on a genuine LG wall sleeve, plus fast shipping!. Anonymous. Tue Nov 14 2023

20" H x 50" W x 5" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter Trion replacements can be used in AC and Furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

11800, 115

This unit has 2 cooling/heating and fan speeds to customize your comfort. The 4-way air deflection allows you to direct the flow of air where it's needed most whether cooling, heating, or just circulating air. Use the convenient 24 hour on/off timer and energy saver option to help save on energy costs. If there is a power outage, the auto restart feature will automatically turn your unit back on when power is restored. Other features include a remote control, trim kit, removable/washable filter and a check filter alert. (Wall sleeve sold separately)

Unit itself works great. My review focuses more on wayfair. This is a larger, more difficult product to get across the country. Somehow, wayfair got it to me undamaged and quickly. Thanks yall!. Cory. Saint Petersburg, FL. Mon Dec 09 2024

24" H x 20" W x 1" D

Works better than most filters! Great product ! Love it!. Cs26. Mcminnville, TN. Mon Aug 01 2022

The Clorox Tabletop True HEPA Replacement Filter captures 99.97% of allergens and particulates & reduces viruses and bacteria so you can breathe easier. Fits Clorox Tabletop Air Purifier models # 11020 and # 11021.

I have the Clorox tabletop true hepa air purifier and it is so nice to keep my house smell clean. I have a cat and live in a small moble home and need to be careful with kitty litter order . Thank you for this amazing product. Kimberly. US. Thu Feb 19 2026

15.8" H x 6.9" W x 1" D

Get more out of your air conditioner with our MERV 14 rated PureAir Premium Allergen Filter that captures pollen, household dust, dust mite debris, pet hair, dander, smoke, smog and other fine particles. This advanced filter works with your air conditioning unit to continuously filter the air throughout the day. The filter features a high-performance pleated design and is simple to install for optimal performance of specified Frigidaire Window Air Conditioners.

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

Expandable Furnace Filter：The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

The Winix Replacement Filter R is a complete one-year filter. The Winix True HEPA Filter captures 99.99%* of particles and impurities as small as 0.001 microns, including pollen, dust, pet dander and hair, allergens, and smoke. The Activated Carbon Filter uses an activated carbon coating to reduce large amounts of odor in the environment.

Jo. Leetonia, OH. Sun Apr 05 2026

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

Breathe in the fresh air your home deserves with the Soleus Air Whole House Air Purifier’s 4-stage True HEPA filtration system that sucks dust, pet dander, and allergens right out of the air. With a noise level of just 33 dB, the Soleus Air Whole House Air Purifier provides purified air at the volume of a whisper. With Alexa compatibility, you can change between the unit’s settings from anywhere in the house. A high CADR rating means this powerful air purifier delivers coverage to large-sized rooms up to 980ft2. Combining all these features with a laser that continuously measures air quality and automatically adjusts the unit’s settings makes the Soleus Air Whole House Air Purifier the ultimate solution for purified air throughout the home.

Justin. Palm Coast, FL. Tue Jan 14 2025

AirGenius 5 Air Cleaner/Odor Reducer features quiet clean advanced filtration technology that captures 99.9 percent of contaminating particles. They include both the ones you can see and the microscopic ones as small as 0.3 microns that you can't see. Air cleaner circulates the air in a large room (up to 250 sq. ft.). Offers five air cleaning levels with easy-tap touch sensitive controls. You choose from Sleep (almost silent operation), germ (for cold and flue season), genral cleaning, Allergen (for peak allergen season) or max cleaning power, depending on your air cleaning needs. Energy Star rated air cleaner uses about the same amount of electricity as a light bulb.

These air purifiers are great. Very quiet and highly effective. Easy to clean.. Roberta. Visalia, CA. Wed Apr 29 2026

Odors are no match for the Filtrete Odor Defense Carbon Pre Filter. This filter is made to help reduce common household odors from cooking, tobacco smoke, pets and more.

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

20" H x 20" W x 4.38" D

For reliable filtration effectiveness, the Glasfloss ZL MERV 10 pleated air filter can be used in AC and furnace systems for homes, apartments, business properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 test standard while maintaining low pressure drop and long service life. Glasfloss Z-line series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded, and manufactured in an engineered gradient structure. The thermally bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life.

Expandable Furnace Filter:The expandable air filter fits various AC models. Made with electrostatic cotton, it captures pollen, smoke, and fine particles while avoiding air leaks for cooling & purification. Durable pleated design reduces replacements, and easy installation makes it ideal for home AC, air purifier, and vent.

High-Efficiency Replacement Filter--Easy to Replace, Long-Lasting Cleanliness:Made with high-quality composite material, this filter captures PM2.5, dust, pollen, pet hair, and other pollutants, enhancing air purification for your family's health. It lasts 6-12 months, with a convenient replacement reminder. Easy to install, it ensures fresh air for everyday use.