Air Conditioning Filters

These 12x12x4 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

At an actual 21 1/2" x 23 1/2" x 3/4", the 21 1/2 x 23 1/2 x 1 Aerostar fits a custom-spec nominal opening common in certain regional HVAC markets. MERV 8 covers standard household filtration: dust, lint, pollen. MERV 11 handles pet households and most common allergens. MERV 13 captures fine particulates including bacteria, virus-carrying droplets, and wildfire smoke - the grade to choose for households with respiratory health issues. Pleated synthetic media with an electrostatic charge built in

The Aerostar 15x25x1 pleated air filter delivers clean air by replacing your air system's vent intake filter. Designed to work with most home and office AC and furnace systems with compatible intake vent sizes, filtering out dust, pollen, bacteria, and other airborne particles. Great indoor air quality is as easy as changing your air filter to Aerostar.

Air-Care electrostatic, reusable, permanent, washable air filters are 10 times more efficient than the standard disposable filter. By switching to a permanent electrostatic filter, the air inside your home will be cleaner and fresher. Utilizing electrostatically charged material which traps up to 94% of the dust and allergens in your home. The air you breathe contains many irritants such as pollen, dust, mold spores, pet dander and smoke additionally filtering other debris which can effect the air and your family’s health, including allergies and asthma. Most of these particles are smaller than one micron. Electrostatic air filters clean the air by using static electricity, a safe, naturally oc…

At an actual 19 7/8" x 21 1/2" x 3/4", the 20 x 21 1/2 x 1 Aerostar fits a return that doesn't conform to a standard nominal size - common in custom builds and certain regional HVAC markets where the installer specified a non-standard grille opening. MERV 8 handles baseline residential filtration. MERV 11 covers pet households and mild allergy concerns. MERV 13 captures fine particulates including bacteria, virus-carrying droplets, and wildfire smoke - the grade for households with respiratory h

The Aerostar 24x24x2 pleated air filter delivers clean air by replacing your air system's vent intake filter. Designed to work with most home and office AC and furnace systems with compatible intake vent sizes, filtering out dust, pollen, bacteria, and other airborne particles. Great indoor air quality is as easy as changing your air filter to Aerostar.

The 16x30x1 Aerostar fits a nominal 16x30x1 return at an actual 15 1/2" x 29 1/2" x 3/4". Long, narrow returns like this show up in older furnace installations and certain horizontal air handler setups. MERV 8 covers the typical residential range for dust, lint, and pollen. MERV 11 handles pet dander, smoke residue, and most common household allergens. MERV 13 captures fine particulates including bacteria, virus-carrying droplets, and wildfire smoke - the grade to choose if anyone in the househo

The Aerostar 16x21x1 pleated air filter delivers clean air by replacing your air system's vent intake filter. Designed to work with most home and office AC and furnace systems with compatible intake vent sizes, filtering out dust, pollen, bacteria, and other airborne particles. Great indoor air quality is as easy as changing your air filter to Aerostar.

Coway Aquamega 200C’s water purification system reduces the amount of contaminants in your water more effectively and efficiently than before. The set of filters is composed of a sediment and carbon block water filter. In the first stage of purification, water passes through the sediment filter, which reduces sand, rust, turbidity and cysts. These are the larger particles found in tap water. The second stage of purification uses a powerful carbon-block filter which reduces lead, as well as remaining sand, rust, turbidity, cyst, chlorine, chloramine and VOC. Combined, the triple-filtration technology effectively reduces ten contaminants by up to 99.9 percent.* SKU: 112911

The Aerostar 20x25x2 pleated air filter delivers clean air by replacing your air system's vent intake filter. Designed to work with most home and office AC and furnace systems with compatible intake vent sizes, filtering out dust, pollen, bacteria, and other airborne particles. Great indoor air quality is as easy as changing your air filter to Aerostar.

The 20x24x2 Aerostar measures 19 3/8" x 23 3/8" x 1 3/4" actual. A 2-inch filter in a nominal 20x24 slot was common spec on older residential furnaces and remains widely used in light commercial systems. Two-inch depth means roughly twice the debris-holding capacity of a 1-inch equivalent and a noticeably lower pressure drop across the filter face. MERV 8 covers baseline residential filtration. MERV 11 handles pet dander, smoke residue, and most household allergens. MERV 13 captures fine particu

A 21 1/2 x 23 3/8 x 1 nominal return takes a filter sized at 21 1/2" x 23 3/8" x 3/4" actual, which this Aerostar matches exactly. Custom and semi-custom HVAC installations spec dimensions like this when the original return opening doesn't conform to a standard nominal size. MERV 8 covers baseline residential filtration: dust, pollen, lint. MERV 11 handles pet households and mild allergy concerns. MERV 13 captures fine particulates including bacteria, virus carriers, and wildfire smoke - the gra

This True HEPA Filter is designed for use in Vornado True HEPA Air Purifiers.

The True HEPA Replacement Filter was designed specifically for Honeywell True HEPA Console Air Purifiers. The filter captures up to 99.97% of airborne particles as small as 0.3 microns, such as pollen, dust, mold spores, tobacco smoke and pet dander. Filter should be replaced once a year.

A nominal 20x21x1 return takes a filter at 19 7/8" x 20 7/8" x 3/4" actual. Odd-sized returns like this show up where the original equipment installer used a non-standard grille opening, which is common in custom builds and certain regional HVAC markets. This Aerostar is built to the actual spec without adjustment, so it'll seat properly without forcing or wedging the frame. MERV 8 covers standard household filtration for dust, lint, and pollen. MERV 11 steps up for pet households or homes with

The Aerostar 18x22x1 pleated air filter delivers clean air by replacing your air system's vent intake filter. Designed to work with most home and office AC and furnace systems with compatible intake vent sizes, filtering out dust, pollen, bacteria, and other airborne particles. Great indoor air quality is as easy as changing your air filter to Aerostar.

The Aerostar 12x24x4 commercial HVAC air filter is ready to filter the air in your home or office. Choose the MERV rating that suits your lifestyle and start filtering cleaner air through your air conditioning or furnace system.

The 20 x 22 1/4 x 1 Aerostar comes in at an actual 19 7/8" x 22 1/4" x 3/4", built for a nominal 20 x 22 1/4 x 1 return. Odd-sized returns in this dimension show up in custom builds and certain regional markets where the original installer specified a non-standard grille opening. MERV 8 covers baseline residential filtration. MERV 11 captures pet dander, smoke residue, and most common allergens. MERV 13 handles fine particulates including bacteria, virus carriers, and wildfire smoke - the grade

A nominal 22x24x1 return takes a filter at 21 7/8" x 23 7/8" x 3/4" actual, sized to drop into the grille without binding. This is another size that doesn't appear at most retail outlets, which is one of the reasons odd-size buyers end up ordering direct from manufacturers. MERV 8 handles standard residential dust and pollen filtration. MERV 11 captures pet dander, smoke residue, and most common household allergens. MERV 13 covers fine particulates including bacteria, virus-carrying droplets, an

A 21x23x1 nominal opening is one of those odd sizes that retail stores don't stock, which is why most homeowners end up ordering direct. This Aerostar measures 20 7/8" x 22 7/8" x 3/4" actual, built to fit the nominal 21x23x1 grille without binding or air bypass. MERV 8 covers standard residential filtration: dust, lint, pollen. MERV 11 steps up for pet households or homes with mild allergy concerns. MERV 13 captures fine particulates including bacteria, virus carriers, and wildfire smoke - the

Our Pet Pure(R) Genuine HEPA Filter is specifically designed to capture more hair and odors from your furry friends because we know it's not Roscoe's fault for being fluffy. Choose our Pet Pure(R) HEPA Filter Replacement to take the first step towards a cleaner, fresher, and healthier home. Experience the difference in air quality and bid farewell to pet-related allergens and odors with our advanced HEPA Filter Replacement, meticulously crafted to tackle pet dander, hair, and odors with exceptional efficiency. The Pet Pure(R) HEPA Filter Replacement is infused with Pet Pure Filter Treatment, a powerful anti-microbial agent. The HEPA (High-Efficiency Particulate Air) filter efficiently captures …

Replacement filter Blueair DustMagnet 5200

At a true 21 1/2" x 21 1/2" x 3/4", the 21 1/2 x 21 1/2 x 1 Aerostar fits a nominal opening that measures the same in both nominal and actual dimensions - unusual in the filter industry. This is a custom-spec size used in certain regional HVAC markets. MERV 8 handles standard residential dust and pollen filtration. MERV 11 covers pet households and most common allergen concerns. MERV 13 captures fine particulates including smoke, bacteria, and virus-carrying droplets - the grade for households w

Stepping up to a 2-inch depth in a 16x16 return gets you noticeably longer service life and less static pressure than the 1-inch equivalent. This 16x16x2 Aerostar measures 15 1/2" x 15 1/2" x 1 3/4" actual. The deeper pleats hold roughly twice the debris before pressure drop becomes a problem, which means a longer interval between changes and easier breathing room for your blower motor. MERV 8 handles standard residential dust and pollen. MERV 11 covers pet households and mild allergy concerns.