20" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 6" Diameter + Product Details Size –

+ Product Details Size – 24"w X 24"h is the drop ceiling HVAC supply grille size - for T-Bar lay-in

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

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75" Width X 17

20" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 6" Diameter + Product Details Size –+ Product Details Size 20"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22" width X 16" 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