12" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Diameter but you’ll appreciate the benefits

but you’ll appreciate the benefits over a long period of time

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85" width X 19

Quality Packaging – carefully shrink wrapped with cardboard backing to prevent damage in shipment

Our innovative adjustable design changes the game

12" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Diameter but you’ll appreciate the benefits+ Product Details Size 12"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 6" 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