16" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w16h16 + Product Details Size -

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

Actual Filter Size – 15 3/4"w x 21 3/4" x 1"

Actual Filter Size – 17 3/4"w x 11 3/4" x 1"

+ Product Details Size – 32"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 8"h is the size for the duct opening measurement only

16" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w16h16 + Product Details Size -+ Product Details Size 16"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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