Honeywell Furnace Air Filter Replacement FC40R1037 - ( 12 x 24 )

Our 12x24x4 MERV 8 Seal-Tight™ return grille filter features a 3/4 inch foam strip that prevents air by-pass. Replaces Honeywell return air grille filters and regular one inch filters that use a return air grille:

Nominal size 12" x 24" x 4" Actual size 11 3/4" x 23 3/4" x 3 3/4"
Our MERV 11 and 13 are more efficient that the brand filters, and costs substantially less

Our 12x24x4 MERV 11 Seal-Tight™ return grille filter features a 3/4 inch foam strip that prevents air by-pass. Replaces Honeywell return air grille filters and regular one inch filters that use a return air grille:

Nominal size 12" x 24" x 4" Actual size 11 3/4" x 23 3/4" x 3 3/4"
Our MERV 11 and 13 are more efficient that the brand filters, and costs substantially less

Our 12x24x4 MERV 13 Seal-Tight™ return grille filter features a 3/4 inch foam strip that prevents air by-pass. Replaces Honeywell return air grille filters and regular one inch filters that use a return air grille:

Nominal size 12" x 24" x 4" Actual size 11 3/4" x 23 3/4" x 3 3/4"
Our MERV 11 and 13 are more efficient that the brand filters, and costs substantially less

Our 12x24x5 ODOR DEFENSE® Seal-Tight™ return grille filter features a 3/4 inch foam strip that prevents air by-pass. Replaces Honeywell return air grille filters and regular one inch filters that use a return air grille:

Nominal size 12" x 24" x 4" Actual size 11 3/4" x 23 3/4" x 3 3/4"
Our MERV 11 and 13 are more efficient that the brand filters, and substantially less

After-Market Honeywell Filter - Grille Air Filter, Furnaces For:


Nominal size 12" x 24" x 5" Actual size 11 3/4" x 23 3/4" x 4 3/8"

Our MERV 11 and 13 are more efficient that the brand filters, and substantially less

Note: We also offer the brand filter

After-Market Honeywell Filter - Grille Air Filter, Furnaces For:


Nominal size 12" x 24" x 5" Actual size 11 3/4" x 23 3/4" x 4 3/8"

Our MERV 11 and 13 are more efficient that the brand filters, and substantially less

Note: We also offer the brand filter

After-Market Honeywell Filter - Grille Air Filter, Furnaces For:


Nominal size 12" x 24" x 5" Actual size 11 3/4" x 23 3/4" x 4 3/8"

Our MERV 11 and 13 are more efficient that the brand filters, and substantially less

Note: We also offer the brand filter

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After-Market Honeywel Filter - Grill Air Filter, Furnaces For::
FC40R1037

Replaces Expandapac filter # FC35A1076 that was used in model F35R1036

Nominal size 12" x 24" x 5" Actual size 11 3/4" x 23 3/4" x 4 3/8"

Our carbon filter removes foul odors and harmful gases, as well as particular matter. Note: Honeywell does not make a carbon filter