18" X 18" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 20 5/8" X 20 5/8"] Return + Product Details Size - 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
+ Product Details Size - 18"w X 8"h is the size for the duct opening measurement only
+ Product Details Size – 24"w X 10"h is the size for the duct opening measurement only
75" width X 23
cursor: pointer
with actual outer dimensions of 16
18" X 18" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 20 5 8" X 20 5 8"] Return + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 18"w X 8"h is the size for the duct opening measurement only + Product Details Size – 24"w X 10"h is the size for the duct opening measurement only