12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Aluminum Bar actual front end outer dimensions

actual front end outer dimensions are approximately 36 5/8" width X 28 5/8" height

transparent design that complements any setting

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 40"w X 20"h is the size for the duct opening measurement only

12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Aluminum Bar actual front end outer dimensions+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 8" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow