8" x 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Diameter } ul { margin-bottom: 15px

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875" width X 11

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

+ Product Details Size - 32"w X 8"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 32"h is the size for the duct opening measurement only

8" x 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 18" Diameter } ul { margin-bottom: 15px+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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