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Trane air filters should be replaced every year to maintain air quality and excellent furnace performance.

Trane Furnace Filters Product List:


Filters Fast® 5" Trane BAYFTAH21M Compatible 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $99.99

Our Price: $74.95

Save 25%!

Honeywell TRN2127T1 Replacement for Trane BAYFTFR21M, 21x27x5 Perfect Fit - 3-Pack
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $249.99

Our Price: $219.95

Save 12%!

Trion 227833-003 Charcoal Filter
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $199.95

Filters Fast® FFC14275TRNM13 Replacement for Trane FFC14275TRNM13 14x27x5 Air Filter
In Stock!
Ships in 1 to 2 business days.

Retail: $99.99

Our Price: $79.95

Save 20%!

Trane Perfect Fit BAYFTFR14P4A Filter - 14.5x27x1 4-Pack
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $130.99

Our Price: $100.80

Save 23%!

Trane BAYFTAH26P4A Pleated 1 inch Filter 26x21x1
Special Order.
Ships in 5 to 6 days.

Our Price: $83.96

Trane Perfect Fit BAYFTAH21W1A Prefilter 21.5x21x1
Special Order.
Ships in 5 to 6 days.

Retail: $30.99

Our Price: $28.95

Save 7%!

Trane Perfect Fit BAYFTFR21W1A Pre-filter 21x27x1
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within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $105.98

Trane Perfect Fit BAYFTFR21P4A Filter - 21x27x1 - 4-Pack
Special Order.
Ships in 5 to 6 days.

Retail: $137.77

Our Price: $119.80

Save 13%!

Trane Perfect Fit BAYFTFR24P4A 24.5x28.5x1 Filter - 4-Pack
In Stock!
Ships in 1 business day

Retail: $90.99

Our Price: $73.95

Save 19%!

Filters Fast® Replacement for Trane Perfect Fit BAYFTFR14P4A - 6-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $100.95

Our Price: $60.95

Save 40%!

Honeywell TRN2121T1 Replacement for Trane BAYFTAH21M, 21.5x21x5 Perfect Fit - 3-Pack
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $195.99

Our Price: $164.95

Save 16%!

Honeywell TRN2427T1 Replacement for Trane BAYFTFR24M, 24x27x5 Perfect Fit Filter - 3-Pack
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $299.99

Our Price: $238.95

Save 20%!

Filters Fast® 5" Trane BAYFTFR21M Compatible 2-Pack
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 1 to 2 business days.

Retail: $117.99

Our Price: $82.95

Save 30%!

Filters Fast® 5" FFC175275TRN OKGM Air Filter - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $105.99

Our Price: $72.99

Save 31%!

Honeywell TRN1427T1 Replacement for Trane BAYFTFR14M, 14.5x27x5 Perfect Fit - 3-Pack
FREE SHIPPING!

within the continental U.S.

Out of stock

Retail: $243.99

Our Price: $198.95

Save 18%!

Trane BAYFRAME235A Filter Frame Kit - 23.5x5x5
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $240.99

Our Price: $169.95

Save 29%!

Trane BAYFRAME245A Filter Frame Kit - 24.5x27x5
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 2 to 3 days.

Our Price: $400.72

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