Description
Actual Size: 15.75 x 19.75 x 4.38. Filter Hut's (Accumulair brand) 16x20 Honeywell FC40R1052 style return air filter is specifically designed to substitute for the original OEM FC40R1052 air grille filter style. Preassembled; no assembly required. Note: The sample filter image displayed is not to scale and is displayed for lip configuration purposes only. *Company names and FC40R1052 part number are shown for filter substitution identification purposes only. Catalog and FC40R1052 variations last verified on 10/24/2025.