12" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 24 5/8"] Grilles This grille is ideal for RFG3024 Black HP const content item Hi-Lo Oval Stack Head

This grille is ideal for both sidewall and ceiling installations

Actual Filter Size – 7 3/4"w x 27 3/4" x 1"

+ Product Details Size – 16"w X 25"h is the size for the duct opening measurement only

+ Product Details Size – 8" x 16" or 16" x 8" is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 31 3/4" x 1"

12" X 22" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 14 5 8" X 24 5 8"] Grilles This grille is ideal for RFG3024 Black HP const content item Hi Lo Oval Stack Head This grille is ideal for both sidewall and ceiling installations Actual Filter Size – 7 3 4"w x 27 3 4" x 1"