The Genuine Honeywell FC40R1029 20x30x3 MERV 10 Return Grille Furnace & AC Air Filter features a special design that allows it to fit in the same space as a standard 1 inch return grille filter while offering filtration up to
Specification: Genuine Honeywell FC40R1029 20x30x3 MERV 10 Return Grille Furnace & AC Air Filter
