12" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 14 5/8" X 22 5/8"] Color_R-4.2 Yellow controlled by a switch 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
controlled by a switch
Noise free components - no vibrating louvers etc
actual front end outer dimensions are approximately 42 5/8" width X 12 5/8" height -
+ Product Details Size – 24"w X 8"h is the size for the duct opening measurement only
[Outer Dimensions: 16
12" X 20" Steel Return Air Filter Grille for 1" Filter Removable Frame * Filter Included * [Outer Dimensions: 14 5 8" X 22 5 8"] Color_R 4.2 Yellow controlled by a switch 4 X 12 Is CRFG2028 Width_14in controlled by a switch Noise free components no vibrating louvers etc