12" x 36" or 36" x 12" Cube Core Eggcrate Return Air Grille Powder-Coated + Product Details Size – 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
+ Product Details Size – 12" x 24" or 24" x 12" is the size for the duct opening measurement only
Actual Filter Size – 7 3/4"w x 31 3/4" x 1"
actual front end outer dimensions are approximately 34 5/8" width X 26 5/8" height
actual front end outer dimensions are approximately 34 5/8" width X 34 5/8" height
Filter Size - 13
12" x 36" or 36" x 12" Cube Core Eggcrate Return Air Grille Powder Coated + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 12" x 24" or 24" x 12" is the size for the duct opening measurement only Actual Filter Size – 7 3 4"w x 31 3 4" x 1"