14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Grille Material_Steel the second number represents the 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
the second number represents the height
Matching OBD dampers
7/8" - 3397 PSI
+ Product Details Size – 25"w X 36"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 18 5/8" width X 20 5/8" height
14" x 32" or 32" x 14" Cube Core Eggcrate Return Air Grille Material_Steel the second number represents the 4 X 12 Is CRFG2028 Width_14in the second number represents the height Matching OBD dampers