GRAINGER APPROVED 4MJT3 Filtered Return Air Grille,20×14″,White PK 6
Filtered Return Air Grille, Removable Face, Filtered Return Air Grille, Overall Height (In.) 16 31/50 in, Overall Width (In.) 22 31/50 in, Depth (In.) 1.13 in, Max. Duct Height (In.) 14 in, Max. Duct Width (In.) 20 in, 1/2 in, White Finish, For Use With -, Free Area (Sq.-In.) -, 21 ga Steel Construction, Electrocoated and Powder Coated Surface, 1 yr, Includes – Package of 6.