14" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 14in diameter + Product Details Size -

+ Product Details Size - 22"w X 20"h is the size for the duct opening measurement only

See our separate listing for T-Bar supply grille

Actual Filter Size – 9 3/4"w x 21 3/4" x 1"

High Quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size - 30"w X 18"h X 2"d (for duct opening measurement only)

14" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 14in diameter + Product Details Size -+ Product Details Size 14"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 10" 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