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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:


FiltersFast 1" Air Filters MERV 13 Replacement for Aerostar 1" MERV 13 6-Pack
(FFM13 6pk AS)

The FiltersFast 1" Air Filters MERV 13 6-Pack is the compatible replacement for the Aerostar 1" MERV 13 Air Filters.


In Stock! Ships in 2 to 3 business days.
FiltersFast 1" Air Filters MERV 13 Replacement for Aerostar 1"  MERV 13 6-Pack
Our Price: $59.95
Retail: $69.99
You Save 14%!

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FiltersFast Replacement for 16x25x4.5 Carrier EZ Flex MERV 13
(EXPXXFIL0316)

The FiltersFast EXPXXFIL0316 16" x 25" x 4.5"compatible replacement air filter removes atmospheric and household dust


Special Order. Ships in 3 days.
FiltersFast Replacement for 16x25x4.5 Carrier EZ Flex MERV 13
Our Price: $57.95
Retail: $60.95
You Save 5%!

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FiltersFast FF 30925 Replacement for Hunter 30925
(30925)

Keep your Hunter Air Purifier purring with the convenient and affordable FiltersFast FF 30925 HEPA Air Purifier Filter.


Special Order. Ships in 3 days.
FiltersFast FF 30925 Replacement for Hunter 30925
Our Price: $17.99
Retail: $24.99
You Save 28%!

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FiltersFast Replacement for Honeywell FC100A1011 - 20x20x5 2-Pack
(FFC20205HONM8)

FiltersFast Brand Honeywell 20x20x5 FC100A1011 2-Pack Air Filter is an economical compatible version of the OEM Honeywell FC100A1011 20"x20" Media AC Filter. To save money, this air filter replacement comes in a 2pk value set.


In Stock! Ships in 2 to 3 business days.
FiltersFast Replacement for Honeywell FC100A1011 - 20x20x5 2-Pack
Our Price: $44.90
Retail: $50.00
You Save 10%!

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FiltersFast 8171433 Replacement for Whirlpool 8171433
(8171433 R)

The FiltersFast 8171433 Compatible Air Purifier Carbon Pre-Filter is an activated charcoal pre-filter reduces odors and captures large airborne particles before it comes in contact with the HEPA filter.


In stock! Ships in 1 business day.
FiltersFast 8171433 Replacement for Whirlpool 8171433
Our Price: $14.50
Retail: $19.99
You Save 27%!

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FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack
(FFC16255TABM13)

The FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack Furnace Filter is the compatible version of the genuine Trion Air Bear Media AC Filter 16x25x5, 255649-105.

Free shipping within the continental United States!

In Stock! Ships in 2 to 3 business days.
FiltersFast Brand Trion 16x25x5 Air Bear MERV13 2-Pack
Our Price: $94.00
Retail: $100.00
You Save 6%!

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FiltersFast DSG401M11FF Replacement For Aprilaire #401 Filter
(SG4PR-B)

The Space-Gard MERV 11 Compatible Media Filter 2-Pack is a two pack of compatible replacement air filters for the Aprilaire Model 2400 Air Cleaner. Model #401.


In Stock! Ships in 1 to 2 business days.
FiltersFast DSG401M11FF Replacement For Aprilaire #401 Filter
Our Price: $51.98
Retail: $59.99
You Save 13%!

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FiltersFast Brand Trion 16x25x3 Air Bear MERV13 3-Pack
(FFC16253TABM13)

The FiltersFast Brand Trion 16x25x3 Air Bear MERV13 3-Pack Filter is a compatible version of the genuine Trion Air Bear Media AC Filter 16x25x3, 255649-101.


In Stock! Ships in 2 to 3 business days.
FiltersFast Brand Trion 16x25x3 Air Bear MERV13 3-Pack
Our Price: $84.00
Retail: $100.00
You Save 16%!

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FilterFast Trane 21.5x21x5 Perfect Fit BAYFTAH21M Merv 13 2 Pack
(FFC215215TRNM13)

The FilterFast Brand Trane 21.5x21x5 Perfect Fit Filter BAYFTAH21M, FLR06072, BAYFTAH21M2 is a compatible economical alternative for the genuine Trane 21.5x21x5 Perfect Fit Filter that comes in a 2-pack value set.


In Stock! Ships in 2 to 3 business days.
FilterFast Trane 21.5x21x5 Perfect Fit BAYFTAH21M Merv 13 2 Pack
Our Price: $69.95
Retail: $140.00
You Save 50%!

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FiltersFast 1" Air Filters MERV 11 Replacement for Aerostar 1" MERV 11 6-Pack
(FFM11 6pk AS)

The FiltersFast 1" MERV 11 Pleated Air Filters 6-Pack is the compatible replacement for the Aerostar 1" MERV 11 Pleated Air Filters.


In Stock! Ships in 1 to 2 business days.
FiltersFast 1" Air Filters MERV 11 Replacement for Aerostar 1" MERV 11 6-Pack
Our Price: $55.50
Retail: $77.94
You Save 29%!

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FiltersFast Brand Trane 24.5x27x5 BAYFTFR24M2 2 Pack
(FFC245275TRN)

The FiltersFast Brand Trane 24.5x27x5 BAYFTFR24M2 2 Pack compatible air filter captures airborne pollutants that can cause a negative impact on respiratory health


In Stock! Ships in 2 to 3 business days.
FiltersFast Brand Trane 24.5x27x5 BAYFTFR24M2 2 Pack
Our Price: $54.95
Retail: $59.95
You Save 8%!

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FiltersFast Brand Lennox X6670 MERV 8 Air Filter 2 pack
(X6670-FF)

The FiltersFast FF16255X6670M8 compatible air filter replaces the Lennox X6670 and features a MERV 8 rating that balances air flow with filtration capability. The synthetic fiber material blend is capable of reducing 85% of particles.


In Stock! Ships in 2 to 3 business days.
FiltersFast Brand Lennox X6670 MERV 8 Air Filter 2 pack
Our Price: $35.95
Retail: $36.95
You Save 3%!

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FiltersFast 4" MERV 11 16x20x4 Replacement for TopTech TT-FM-1620 3-Pack
(TT-FM-16204 R)

The FiltersFast 4" MERV 11 16x20x4 Air Filter 3-Pack is the compatible replacement for the TopTech TT-FM-1620 Techpure 16x20x4 MERV 11 Air Filter.


In Stock! Ships in 2 to 3 business days.
FiltersFast 4" MERV 11 16x20x4 Replacement for TopTech TT-FM-1620 3-Pack
Our Price: $50.95
Retail: $59.99
You Save 15%!

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FiltersFast 4" MERV 11 20x25x4 Replacement for TopTech TT-FM-2025 3-Pack
(TT-FM-2025 R)

The FiltersFast 4" MERV 11 20x25x4 3-Pack is the compatible replacement for the TopTech TT-FM-2025 Techpure 20x25x4 MERV 11 Filter.


In Stock! Ships in 2 to 3 business days.
FiltersFast 4" MERV 11 20x25x4 Replacement for TopTech TT-FM-2025 3-Pack
Our Price: $50.95
Retail: $59.99
You Save 15%!

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FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M
(FFC24265TRNM8)

The FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M Filter is the compatible alternative of the genuine OEM 24x26x5 Trane Perfect Fit BAYFTFR24M Filter.


In Stock! Ships in 2 to 3 business days.
FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M
Our Price: $50.95
Retail: $70.00
You Save 27%!

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FiltersFast 1" Air Filters MERV 8 Replacement for Aerostar Air Filters 6-Pack
(FFM8 6pk AS)

The FiltersFast 1" Air Filters MERV 8 With Pleats 6-Pack is the compatible replacement for the Aerostar Air Filters MERV 8 1" Air Filter.


In Stock! Ships in 1 to 2 business days.
FiltersFast 1" Air Filters MERV 8 Replacement for Aerostar Air Filters 6-Pack
Our Price: $43.95
Retail: $49.99
You Save 12%!

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FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M
(FFC21235TRNM13)

The FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M is a compatible version of the genuine Trane Perfect fit 21x23x5 Air Filter.

Free shipping within the continental United States!

In Stock! Ships in 2 to 3 business days.
FiltersFast Brand Trane 21x23x5 Perfect Fit BAYFTAH23M
Our Price: $90.95
Retail: $140.00
You Save 35%!

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FiltersFast FFC16253TAB Replacement for Trion 255649-101 3-Pack
(FFC16253TAB)

Replace your Trion Air Bear 255649-101 16x25x3 air filter with this FiltersFast compatible AC filter, which features a MERV 11 rating, an upgrade from the MERV 8 Trion Air Bear.


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16253TAB Replacement for Trion 255649-101 3-Pack
Our Price: $66.00

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FiltersFast FFC16205HONM13 Replacement for Honeywell FC100A1003
(FFC16205HONM13)

The FiltersFast FFC16205HONM13 compatible air filter replaces the Honeywell FC100A1003 and effectively reduces indoor air contaminants using a deep pleated filter media.


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16205HONM13 Replacement for Honeywell FC100A1003
Our Price: $57.95
Retail: $64.95
You Save 11%!

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FiltersFast FFC16265WR Replacement for White Rodgers F825-0548 16x26x5 2-Pack
(FFC16265WR)

The FiltersFast Compatible 16x26x5 MERV 11 Air Filter can be used as an upgrade for White Rodgers part number F825-0548. Upgrade your White Rodgers Media Filter today and get a better filter for the same price as the original manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16265WR Replacement for White Rodgers F825-0548 16x26x5 2-Pack
Our Price: $45.95
Retail: $55.25
You Save 17%!

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FiltersFast Brand White Rodgers 16x26x5 F825-0548 2 Pack
(F825-0548-M8)

If you are looking for a FiltersFast Brand economical compatible alternative for the OEM White Rodgers 16x26x5 Air Furnace Filter try this White Rodgers 16x26x5 Furnace Filter Replacement F825-0548.


In Stock! Ships in 1 to 2 business days.
FiltersFast Brand White Rodgers 16x26x5 F825-0548 2 Pack
Our Price: $34.95
Retail: $59.99
You Save 42%!

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FiltersFast Replacement For Trane 14.5x27x5 2-pack
(FFC145275TRN)

The Trane BAYFTFR14M2 Air Filter is a replacement furnace air filter that fits the TFM145BOFRO Perfect Fit High Efficiency Air Cleaner. This Trane filter is MERV 11 rated to reduce airborne particulates and improve indoor air quality.


In Stock! Ships in 2 to 3 business days.
FiltersFast Replacement For Trane 14.5x27x5 2-pack
Our Price: $55.99
Retail: $59.99
You Save 7%!

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FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack
(FFM8PLEAT1)

The FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack is a set of replacement air filters for ideal use as service pleats or prefilters in commercial HVAC systems or industrial air cleaners. These pleated media filters arrive in a 6 pack and are ef


In Stock! Ships in 2 to 3 business days.
FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack
Our Price: $39.95
Retail: $49.95
You Save 20%!

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FiltersFast 4" 20x20x4 Replacement for TopTech TT-FM-2020 3-Pack
(TT-FM-20204 R)

The FiltersFast 4" MERV 11 20x20x4 Air Filter 3-Pack is the compatible replacement for the TopTech TT-FM-2020 Techpure 20x20x4 MERV 11 Air Filter.


In Stock! Ships in 2 to 3 business days.
FiltersFast 4" 20x20x4 Replacement for TopTech TT-FM-2020 3-Pack
Our Price: $50.95
Retail: $59.99
You Save 15%!

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FiltersFast Trane 21x27x5 Perfect Fit BAYFTFR21M M13 x2
(FFC21275TRNM13)

FiltersFast Brand Trane 21x27x5 Perfect Fit BAYFTFR21M M13 x2 is an economical compatible version of the genuine Trane 21x27x5 Perfect Fit Air Filter.

Free shipping within the continental United States!

In Stock! Ships in 2 to 3 business days.
FiltersFast Trane 21x27x5 Perfect Fit BAYFTFR21M M13 x2
Our Price: $111.00
Retail: $140.00
You Save 21%!

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