Side Outlet Ceiling Diffuser Box | 8" X 8" X 6" | Galvanized Steel Metal Box is Compatible with Duct 6" Straight Register Boot reducing energy costs and maximizing 4 X 12 Is CRFG2028 Width_14in

reducing energy costs and maximizing HVAC system lifespan

+Product Details Size – 4"h x 12"w is the size for the duct opening measurement only

3/4" - 2981 PSI

actual front end outer dimensions are approximately 28 5/8" width X 26 5/8" height

+ Product Details Size - 18"w X 18"h Is The Size For The Duct Opening Only

Side Outlet Ceiling Diffuser Box 8" X 8" X 6" Galvanized Steel Metal Box is Compatible with Duct 6" Straight Register Boot reducing energy costs and maximizing 4 X 12 Is CRFG2028 Width_14in reducing energy costs and maximizing HVAC system lifespan +Product Details Size – 4"h x 12"w is the size for the duct opening measurement only