The substitute Honeywell FC40R1094 12x12 return grille air filter is engineered to fit standard grilles. Our return air filter is designed specifically to be compatible with the original manufacturer Honeywell FC40R1094 return air filter part number. The 12x12 Honeywell FC40R1094 return air filter replacements requires a minimum 3 7/8" duct depth. *Brand names are used for filter replacement identification purposes only.
- 12 x 12 x 2 nominal size.
- 11 3/4" x 11 3/4" x 3 3/4" actual size.
- Accumulair brand. Engineered to replace the name brand FC40R1094 return air grille filter.
- Constructed to fit standard Honeywell model FC40R/
MERV tested to ASHRAE grades.
- 5 grille air filters per case.