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

+ Product Details Size – 4"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 12"w X 10"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 17 3/4" x 1"

Actual Filter Size – 25 3/4"w x 25 3/4" x 1"

24" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Brown + Product Details Size –+ Product Details Size 24"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 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