12" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Supply Grille actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 30 5/8" width X 24 5/8" height

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

Can be hooked up with our "Butterfly Dampers" for precise airflow control

+ Product Details Size – 22"w X 22"h is the size for the duct opening measurement only

enhancing the entire room with its elegant presence

12" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Supply Grille actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 30 5 8" width X 24 5 8" height + Product Details Size – 12"w X 24"h is the size for the duct opening measurement only