Description
Actual Size: 19.75 x 19.75 x 4.38. Our Accumulair brand 20x20 Honeywell FC40R1003 style grille air filter is specifically built to be compatible with the original OEM FC40R1003 return air filter specification. No hand assembly required. Note: The sample filter image shown is not the actual dimensions and is displayed for lip construction purposes. *Company names and FC40R1003 part number are listed for filter style purposes only. Database and FC40R1003 statements last verified on 10/17/2024.