Air Conditioning Filters

Blueair Sense Particle Filter with Carbon Sheet set of 2

The 16 1/4 x 21 1/2 x 1 Aerostar is sized for a nominal opening that's one of the harder filter dimensions to source through retail channels. Actual size is 16 1/2" x 21 1/2" x 3/4". Custom and semi-custom HVAC installations often spec dimensions like this where the return opening doesn't match a standard nominal size. Three MERV grades cover the residential range. MERV 8 for baseline dust, lint, and pollen filtration. MERV 11 for pet households and mild allergy concerns. MERV 13 for fine partic

Blueair 400 Series Particle Filter

Picking a 12x30x1 means you've got a long, narrow return - common on older furnaces and certain horizontal air handler installs. The actual size of this Aerostar is 11 1/2" x 29 1/2" x 3/4", so it'll seat properly in a nominal 12x30x1 grille without forcing the frame. Three MERV grades match the filter to the household. MERV 8 for baseline dust and pollen at lowest airflow restriction. MERV 11 for households with pets, smokers, or mild allergies. MERV 13 for fine particulate filtration including

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.

These 24x25x2 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

These 15x30x1 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

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

These 12x14x1 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

The Aerostar 20x20x5 Replacement Air Filter for Bryant Carrier P102-2020 Air Systems features a multi-model fit design (see Additional Specifications for full model list) and is available in multiple MERV filtration levels to suit your lifestyle and needs.

These 20x21.5x2 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

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

The Aerostar 20x20x4 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.

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.

Square 21x21x1 returns are uncommon enough that you've probably struggled to find this size at a hardware store. This Aerostar measures 20 7/8" x 20 7/8" x 3/4" actual, sized for a nominal 21x21x1 slot. Pleated synthetic media construction with an electrostatic charge built into the fibers. MERV 8 handles standard household dust and pollen. MERV 11 captures pet dander, smoke residue, and most common allergens. MERV 13 takes care of fine particulates including bacteria, virus-sized aerosols, and

The Aerostar 25x25x1 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.

These 24x29x1 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

These 8x16x1 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

The Aerostar 20x24x1 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.

These 21.5x23.3125x1 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

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

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 24x30x1 Aerostar fits a nominal 24x30x1 return at 23 7/8" x 29 7/8" x 3/4" actual. Larger-residential and small-commercial returns in this size show up on furnaces serving 2,500-plus square foot homes and on some compact commercial air handlers. MERV 8 covers baseline residential filtration: dust, lint, pollen. MERV 11 captures pet dander, smoke residue, and most common household allergens. MERV 13 handles fine particulates including bacteria, virus carriers, and wildfire smoke - the grade t

These 7x26.5x1 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.