Venti Air 18 in. W x 24 in. H Steel Return Air 1 in. Filter Grille White

18 in. W x 24 in. H fixed blade return air filter grille has outside dimensions of 20.5 in. width and 26.5 in. height. This can take 18 in. x 24 in. and approximately 7/8 in. (1 nominal) thick filter of any MERV rating. The grille is colored white and can coordinate with most backgrounds. If needed, they are easy to paint over.