Air Conditioning Filters

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 14x36x1 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 10x24x1 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 16x25x5 Replacement Air Filter for Bryant Carrier FILCCFNC0016 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.

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

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.

The Aerostar 18x24x1 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 16x25x4 Aerostar is designed as a replacement for Lennox deep-pleat air filter cabinets, sized at an actual 15 1/2" x 24 1/2" x 4 1/4". Lennox whole-house media filter housings run on a 4-inch slot, and the Lennox-branded refill through a dealer is substantially more expensive than this Aerostar equivalent, with the same pleated media construction and the same dimensional fit. MERV 8 covers baseline residential filtration: dust, lint, pollen. MERV 11 handles pet households and mild allergy c

The Aerostar 14x30x1 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 16x25x4 Aerostar is designed as a replacement for Lennox deep-pleat air filter cabinets, sized at an actual 15 1/2" x 24 1/2" x 4 1/4". Lennox whole-house media filter housings run on a 4-inch slot, and the Lennox-branded refill through a dealer is substantially more expensive than this Aerostar equivalent, with the same pleated media construction and the same dimensional fit. MERV 8 covers baseline residential filtration: dust, lint, pollen. MERV 11 handles pet households and mild allergy c

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 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 16x20x5 Replacement Air Filter for Honeywell FC100A1003 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 14x22x2 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

These 12.25x15x2 air filters are right-sized for your needs. Choose the MERV rating that suits your lifestyle and breathe cleaner air.

Actual dimensions on the 12x18x1 Aerostar come in at 11 3/4" x 17 3/4" x 3/4", so the filter drops into a nominal 12x18x1 return without binding against the grille edges. That tighter actual size is what filter manufacturers have used for decades, and it's why measuring your existing filter rather than your return opening is the only reliable way to verify fit. Available in MERV 8 for standard household dust and pollen, MERV 11 for pet owners and mild allergy households, and MERV 13 if you're fi

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 16x25x4 Aerostar is designed as a replacement for Lennox deep-pleat air filter cabinets, sized at an actual 15 1/2" x 24 1/2" x 4 1/4". Lennox whole-house media filter housings run on a 4-inch slot, and the Lennox-branded refill through a dealer is substantially more expensive than this Aerostar equivalent, with the same pleated media construction and the same dimensional fit. MERV 8 covers baseline residential filtration: dust, lint, pollen. MERV 11 handles pet households and mild allergy c

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

The Aerostar 16x20x2 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 12x16x1 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 16x24x4 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.

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

A 14x25x1 nominal return takes a filter with an actual size of 13 1/2" x 24 1/2" x 3/4", and this Aerostar is built to that specification. The half-inch undersize on each axis is what allows the filter to slide into the grille track without wedging. Three MERV options cover the residential range. MERV 8 is the standard household choice, catching dust, pollen, and lint at the lowest static pressure. MERV 11 picks up where MERV 8 leaves off, handling pet dander, smoke, and most common allergens. M