8" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling - Black 12in diameter Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 11 3/4" x 1"

+ Product Details Size – 36"w X 24"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 18"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 18 5/8" width X 26 5/8" height

8" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling - Black 12in diameter Actual Filter Size – 13+ Product Details Size 8"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 875" width X 8" 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