26" X 12" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 14 5/8"] White + Product Details Size – 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
+ Product Details Size – 16"w X 24"h is the size for the duct opening measurement only
scratch-resistant
actual front end outer dimensions are approximately 22 5/8" width X 8 5/8" height
+ Product Details Size – 24"w X 22"h is the size for the duct opening measurement only
+ Product Details Size - 30"w X 18"h is the size for the duct opening measurement only
26" X 12" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 28 5 8" X 14 5 8"] White + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 16"w X 24"h is the size for the duct opening measurement only scratch resistant