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FiltersFast replacement home air filters should be replaced every one to three months depending on air quality and usage. Replacement 1", 2", 4", and 5" air filters are available and come in select MERV ratings.


FiltersFast Air Filters full product list:


Merv 13 Filters Fast®     1" Allergy AC and Furnace Filters 6-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $89.99

Our Price: $74.95

Save 17%!

MERV 8 Filters Fast® 1" AC and Furnace Air Filters 6-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $67.99

Our Price: $57.95

Save 15%!

MERV 11 Filters Fast® 1" AC and Furnace Air Filters - 6-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $80.99

Our Price: $70.95

Save 12%!

MERV 13 Filters Fast® 4" Allergy AC and Furnace Filter 3-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $100.99

Our Price: $85.95

Save 15%!

MERV 11 Filters Fast® 4" AC and Furnace Air Filters 3-pack
In Stock!
Ships in 1 to 2 business days.

Retail: $80.99

Our Price: $70.95

Save 12%!

MERV 8 Filters Fast®  2" AC and Furnace Air Filters 6-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $80.99

Our Price: $70.95

Save 12%!

MERV 8 Filters Fast® 4" AC and Furnace Air Filters 3-pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $60.95

Save 14%!

MERV 13 Filters Fast®  2" Allergy AC and Furnace Filters 6-Pack
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 1 to 2 business days.

Retail: $150.99

Our Price: $100.95

Save 33%!

MERV 11 Filters Fast® 2" AC and Furnace Air Filters 6-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $100.99

Our Price: $85.95

Save 15%!

Filters Fast®  Custom Size Air Filters - Made to your size Fast
In Stock!
Ships in 2 to 3 business days.

Retail: $67.99

Our Price: $63.96

Save 6%!

Filters Fast® FFC20255TABM8 20x25x5 Filter 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $50.99

Our Price: $40.95

Save 20%!

Filters Fast®   FFC20255TAB Replacement for Trion 259112-102 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $60.99

Our Price: $50.95

Save 16%!

Filters Fast® FF20255X6673M11 Replacement for Lennox X6673 MERV11, 20x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $54.95

Save 23%!

Filters Fast® FFC16255TABM8 Replacement for Trion 16x25x5 Air Bear Filters MERV8 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $50.99

Our Price: $40.95

Save 20%!

Filters Fast® FFC175275TRNM8 Replacement for Trane 17.5x27x5 BAYFTFR17M 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $50.95

Save 28%!

Filters Fast®  FF16255X6670M11 Replacement for Lennox X6670 MERV11, 16x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $47.95

Save 32%!

Filters Fast®  FFC20255HON Replacement for Honeywell FC100A1037 20x25x5, 2-pack
In Stock!
Ships in 1 to 2 business days.

Retail: $75.99

Our Price: $56.95

Save 25%!

Filters Fast® FFC26215TRNM8 Replacement for Trane 21x26x5 Perfect Fit BAYFTAH26M 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $50.95

Save 28%!

Filters Fast® Replacement for Carrier GAPCCCAR2025 GAPAAXCC2025
In Stock!
Ships in 1 to 2 business days.

Retail: $83.99

Our Price: $72.95

Save 13%!

Filters Fast® Compatible Replacement for Carrier GAPCCCAR1625
In Stock!
Ships in 1 to 2 business days.

Retail: $89.99

As Low As: $64.95

Save 28%!

Filters Fast® DSG201M11FF Replacement for SpaceGard Aprilaire 201, 20x25x6 MERV11 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $50.99

Our Price: $42.95

Save 16%!

Filters Fast®  FFC16255HON Replacement for FC100A1029, FILCCCAR0016 16x25x5, 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $50.95

Save 28%!

Filters Fast®  FFC20256SGM13 Replacement for Aprilaire SpaceGard 2200 2250 Air Filter - MERV 13
In Stock!
Ships in 1 to 2 business days.

Retail: $98.99

As Low As: $75.95

Save 23%!

Filters Fast® FFC20205HON Replacement for Honeywell FC100A1011 20x20x5, 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $50.95

Save 28%!

Filters Fast®  FFC162766SGMM13 Replacement for Aprilaire 2400 MERV13
In Stock!
Ships in 1 to 2 business days.

Retail: $100.99

Our Price: $72.90

Save 28%!

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