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FiltersFast furnace air filters offer an affordable option to excellent indoor air quality. These replacement home furnace filters will cost you much less than what you will save on your energy efficiency.

FiltersFast Furnace Filters full product list:


FilterFast FFC215215TRNM13 Replacement for Trane BAYFTAH21M, 21.5x21x5 Perfect Fit - MERV13, 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 1 to 2 business days.
FilterFast FFC215215TRNM13 Replacement for Trane BAYFTAH21M, 21.5x21x5 Perfect Fit - MERV13, 2-Pack
Our Price: $79.95
Retail: $139.99
You Save 43%!

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FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack
(FFC20265WRM8)

The FiltersFast Brand 20x26x5 Air Filter F825-0549 is a compatible alternative for the OEM White Rodgers 20x26x5 Air Filter. This filter is made of fine carbon powder bonded to lofted polyester media for odor reduction.


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC20265WRM8 Replacement for White Rodgers 20x26x5 F825-0549 2-Pack
Our Price: $49.95
Retail: $59.99
You Save 17%!

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FiltersFast FFC20205HONM13 Replacement for Honeywell FC100A1011, 20x20x5 2-Pack
(FFC20205HONM13)

The FiltersFast Brand Honeywell 20x20x5 FC100A1011 2-Pack is a compatible version of the genuine Honeywell FC100A1011 20"x20" Media AC Filter. This filter replacement is also known as part number FFC20205HONM13.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast FFC20205HONM13 Replacement for Honeywell FC100A1011, 20x20x5 2-Pack
Our Price: $74.95
Retail: $95.99
You Save 22%!

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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: $64.95
Retail: $78.99
You Save 18%!

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

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

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16253TABM13 Replacement for Trion 16x25x3 Air Bear MERV13 3-Pack
Our Price: $79.95
Retail: $99.99
You Save 20%!

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FiltersFast 1" Air Filters MERV 13 Replacement for Nordic Pure 1" MERV 12 6-Pack
(FFM13 6pk ND)

Make the air you breathe inside your home the best it can be with this affordable and convenient 6-pack of 1" MERV 13 air filters from FiltersFast.


In Stock! Ships in 1 to 2 business days.
FiltersFast 1" Air Filters MERV 13 Replacement for Nordic Pure  1" MERV 12 6-Pack
Our Price: $74.95
Retail: $90.99
You Save 18%!

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FiltersFast 1" Air Filters MERV 8 Replacement for Nordic Pure MERV 8 6-Pack
(FFM8 6pk ND)

Take advantage of the savings and breathe better with the FiltersFast 1" Air Filters MERV 8 With Pleats 6-Pack.


In Stock! Ships in 1 to 2 business days.
FiltersFast 1" Air Filters MERV 8 Replacement for Nordic Pure MERV 8 6-Pack
Our Price: $55.95
Retail: $69.99
You Save 20%!

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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: $69.95
Retail: $77.99
You Save 10%!

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FiltersFast FFC26215TRNM13 Replacement for Trane BAYFTAH26M, 21x26x5 Perfect Fit - MERV13, 2-Pack
(FFC26215TRNM13)

If you are looking for an economical compatible version of the genuine Trane American Standard BAYFTAH26M Perfect Fit Air Filter, try this FiltersFast Trane 21x26x5 Perfect Fit BAYFTAH26M M13 with a MERV 13 energy efficiency rating.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast FFC26215TRNM13 Replacement for Trane BAYFTAH26M, 21x26x5 Perfect Fit - MERV13, 2-Pack
Our Price: $89.95
Retail: $119.99
You Save 25%!

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FiltersFast 1" Air Filters MERV 11 Replacement for Nordic Pure MERV 10 6-Pack
(FFM11 6pk ND)

The FiltersFast FFM11 6-Pack is the compatible replacement for the Nordic Pure 1" MERV 10 Air Filters.


In Stock! Ships in 1 to 2 business days.
FiltersFast 1" Air Filters MERV 11 Replacement for Nordic Pure MERV 10 6-Pack
Our Price: $69.95
Retail: $87.99
You Save 21%!

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FiltersFast FFC24265TRNM8 Replacement for Trane Perfect Fit BAYFTFR24M 2-Pack
(FFC24265TRNM8)

FiltersFast Brand Trane 24.5x27x5 Perfect Fit BAYFTFR24M air filter replacements are specifically designed to replace OEM Trane Perfect Fit BAYFTFR24M air filters.


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC24265TRNM8 Replacement for Trane Perfect Fit BAYFTFR24M 2-Pack
Our Price: $51.95
Retail: $69.99
You Save 26%!

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FiltersFast FFC20205HONM8 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 1 to 2 business days.
FiltersFast FFC20205HONM8 Replacement for Honeywell FC100A1011 - 20x20x5 2-Pack
Our Price: $39.95
Retail: $52.99
You Save 25%!

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FiltersFast FFC21275TRNM13 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - MERV13, 2-Pack
(FFC21275TRNM13)

FiltersFast Brand Trane 21x27x5 Perfect Fit BAYFTFR21M Merv 13 2 Pack 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 1 to 2 business days.
FiltersFast FFC21275TRNM13 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - MERV13, 2-Pack
Our Price: $89.95
Retail: $139.99
You Save 36%!

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FiltersFast FFC16255HON 16x25x5 MERV 11 Air Filter - 2-Pack
(FFC16255HON OKGM)

The FiltersFast 16x25x5 MERV 11 Air Filter 3-Pack is a replacement pack of compatible air filters that is an upgrade the Honeywell FC100A1029 and Carrier FILCCCAR0016 air filters. This 3 pack of 16" x 25" x 5" filters features a MERV 8 rating and


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16255HON 16x25x5 MERV 11 Air Filter - 2-Pack
Our Price: $49.95
Retail: $94.99
You Save 47%!

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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: $55.95
Retail: $59.99
You Save 7%!

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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: $59.95
Retail: $69.99
You Save 14%!

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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


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FiltersFast MERV 8 Pleated 1" Panel Filter 6-Pack
Our Price: $49.95
Retail: $69.99
You Save 29%!

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FiltersFast FFC16205HONM8 Replacement for Honeywell FC100A1003 MERV8, 16x20x5 - 2-Pack
(FFC16205HONM8)

The FiltersFast FFC16205HONM8 2 Pack air filter replaces the Honeywell FC100A1003 and utilizes an extra deep pleated media for greater filtration capacities.


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16205HONM8 Replacement for Honeywell FC100A1003 MERV8, 16x20x5 - 2-Pack
Our Price: $49.95
Retail: $59.99
You Save 17%!

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FiltersFast FFC16265WRMM13 Replacement for White Rodgers F825-0548, 16x26x5 - 2-Pack
(FFC16265WRMM13)

The FiltersFast Brand White Rodgers 16x26x5 F825-0548 2 Pack is a compatible economical alternative to the genuine 16x26x5 air furnace filter.


In Stock! Ships in 1 to 2 business days.
FiltersFast FFC16265WRMM13 Replacement for White Rodgers F825-0548, 16x26x5 - 2-Pack
Our Price: $74.95
Retail: $99.99
You Save 25%!

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FiltersFast FFC24265TRNM13 Replacement for Trane BAYFTFR24M, 24x26x5 Perfect Fit - 2-Pack
(FFC24265TRNM13)

FiltersFast Brand Trane 24x26x5 Perfect Fit BAYFTFR24M Merv 13 2 Pack.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast FFC24265TRNM13 Replacement for Trane BAYFTFR24M, 24x26x5 Perfect Fit - 2-Pack
Our Price: $84.95
Retail: $139.99
You Save 39%!

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FiltersFast FFC21235TRNM13 Replacement for Trane BAYFTAH23M, 21x23x5 Perfect Fit
(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 1 to 2 business days.
FiltersFast FFC21235TRNM13 Replacement for Trane BAYFTAH23M, 21x23x5 Perfect Fit
Our Price: $91.95
Retail: $139.99
You Save 34%!

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FiltersFast FFC20265WRM13 Replacement for White Rodgers F825-0549 - MERV13
(FFC20265WRM13)

The FiltersFast Brand White Rodgers F825-0549 MERV13 2Pack is a compatible alternative that's a part of the White Rodgers F825 Series residential air cleaner replacement filters.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
FiltersFast FFC20265WRM13 Replacement for White Rodgers F825-0549 - MERV13
Our Price: $81.00
Retail: $99.99
You Save 19%!

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FiltersFast 5" FFC175275TRN OKGM Air Filter - 2-Pack
(FFC175275TRN OKGM)

The FiltersFast 5" Trane Compatible FFC175275TRN OKGM is a compatible replacement air filter that replaces the Trane BAYFTFR17M and Trane FLR06069 air filters, both of which can be used in several models of Trane Air Cleaners. This 5" filter boasts


In Stock! Ships in 1 to 2 business days.
FiltersFast 5" FFC175275TRN OKGM Air Filter - 2-Pack
Our Price: $71.99
Retail: $104.99
You Save 31%!

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FiltersFast IH1A2323BSOANPHO HEPA Filter Replacement for Purolator WGB432379 - 23.3X23.3x11.5
(WGB432379)

The Commercial HEPA Filter Replacement 23-3/8" x 23-3/8" x 11-1/2" High Capacity is the correct replacement for the Purolator WGB432379.

Free shipping within the continental United States!

Out of stock
FiltersFast IH1A2323BSOANPHO HEPA Filter Replacement for Purolator WGB432379 - 23.3X23.3x11.5
Our Price: $250.99
Retail: $294.99
You Save 15%!

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FiltersFast IH2A2323BSOANPSO HEPA Replacement for Koch BioMax H64A3X2 - 23.3x23.3x11.5
(H64A3X2)

The Commercial HEPA Filter Replacement 23-3/8" x 23-3/8" x 11-1/2" Standard Capacity is the correct replacement for the Koch BioMax H64A3X2.

Free shipping within the continental United States!

In Stock! Ships in 4 to 5 business days.
FiltersFast IH2A2323BSOANPSO HEPA Replacement for Koch BioMax H64A3X2 - 23.3x23.3x11.5
Our Price: $223.95
Retail: $262.99
You Save 15%!

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