8" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 10" Round Duct Pipe + Product Details Size –

+ Product Details Size – 14"w X 10"h is the size for the duct opening measurement only

Actual Filter Size – 33 3/4"w x 11 3/4" x 1"

actual front end outer dimensions are approximately 20 5/8" width X 34 5/8" height

+ Product Details Size – 36"w X 30"h is the size for the duct opening measurement only

8" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 10" Round Duct Pipe + Product Details Size –+ 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