Description
Actual Size: 17.75 x 29.75 x 3.75. Our Accumulair branded 18x30 Honeywell FC40R1830 compatible return grille air filter is specifically designed to be compatible with the original FC40R1830 air grille filter type. No assembly necessary. Note: Sample filter picture displayed is not the actual dimensions and is shown for lip construction purposes only. *Company names and FC40R1830 part number shown for air filter substitution purposes. Database and FC40R1830 variations last verified on 10/17/2024.