16" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible With Duct 12in + Product Details Size –

+ Product Details Size – 14"w X 4"h is the size for the duct opening measurement only

Adjustable airflow control - by rotating the middle disk

85" width X 21

designed to optimize your air distribution

+ Product Details Size – 6"w X 12"h is the size for the duct opening measurement only

16" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible With Duct 12in + Product Details Size –+ Product Details Size 16"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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