18" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 20 5/8" X 14 5/8"] Fixed Blades [Outer Dimensions: 50 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
18" X 12" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 20 5 8" X 14 5 8"] Fixed Blades [Outer Dimensions: 50 4 X 12 Is CRFG2028 Width_14in [Outer Dimensions: 50 + Product Details Size 10"w X 16"h is the size for the duct opening measurement only