16" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 18 5/8" X 20 5/8"] Color_White Actual Filter Size – 21 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
Actual Filter Size – 21 3/4"w x 29 3/4" x 1"
+ Product Details Size - 32"w X 22"h is the size for the duct opening measurement only
+ Product Details Size - 14"w X 20"h is the size for the duct opening measurement only
Actual Filter Size – 11 3/4"w x 33 3/4" x 1"
line-height: 1
16" X 18" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 18 5 8" X 20 5 8"] Color_White Actual Filter Size – 21 4 X 12 Is CRFG2028 Width_14in Actual Filter Size – 21 3 4"w x 29 3 4" x 1" + Product Details Size 32"w X 22"h is the size for the duct opening measurement only