40" X 10" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 42 5/8" X 12 5/8"] Fixed Blades 5" width x 13 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
40" X 10" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 42 5 8" X 12 5 8"] Fixed Blades 5" width x 13 4 X 12 Is CRFG2028 Width_14in 5" width x 13 + Product Details Size 20"w X 4"h is the size for the duct opening measurement only