You are here:Home > Honeywell Air Filters > Honeywell FC40R Series, Return Grille Media Filters > Honeywell FC40R1185 - ( 18 x 18 )

Trane Furnace Air Filter Replacement BAYFTAH21M - (18 x 18 )



beat any competitors price and free shipping offered


1..SEAL-TIGHT Honeywell grille replacement filter is 3 3/4" deep and features a gasket to prevent air by-pass.

NOTE: Honeywell brand grille filters are only 3 inches deep.

a happy family sitting in the living room breathing clean air
Sort By:
Page of 1
Honeywell Air Filter SEAL-TIGHT™ Return Air Grille Filter, 18X18X4 (17 3/4 x 17 3/4 x 3 3/4) MERV 8

Honeywell Filter - Grille Air Filter, Furnaces For:


Nominal size 18" x 18" x 5" Actual size 17 3/4" x 17 3/4" x 3 3/4"

ONLY: $38.86 each - WE BEAT ANY PRICE - Just email info@oxyclean.com
Honeywell Air Filter SEAL-TIGHT™ Return Air Grille Filter, 18X18X4 (17 3/4 x 17 3/4 x 3 3/4) MERV 11

Honeywell Filter - Grille Air Filter, Furnaces For:

Nominal size 18" x 18" x 5" Actual size 17 3/4" x 17 3/4" x 3 3/4"

ONLY: $40.86 each - WE BEAT ANY PRICE - Just email info@oxyclean.com
Honeywell Air Filter SEAL-TIGHT™ Return Air Grille Filter, 18X18X4 (17 3/4 x 17 3/4 x 3 3/4) MERV 13

Honeywell Filter - Grille Air Filter, Furnaces For:

Nominal size 18" x 18" x 5" Actual size 17 3/4" x 17 3/4" x 3 3/4"

ONLY: $42.86 each - WE BEAT ANY PRICE - Just email info@oxyclean.com
Honeywell Grill Air Filter Honeywell Grill Air Filter Replacement 18X18X5 (17 3/4 x 17 3/4 x 4 3/8) ODOR DEFENSE® AfterMarket

After-Market Honeywel Filter - Grill Air Filter, Furnaces For::
FC40R1185

Nominal size 18" x 18" x 5" Actual size 17 3/4" x 17 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

ONLY: $46.03 each - Order More & SAVE