20" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Insulated Line const dt = event

const dt = event

Whether installed on a sidewall or ceiling

+ Product Details Size – 25"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 9

+ Product Details Size – 10"w X 34"h is the size for the duct opening measurement only

20" X 20" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Insulated Line const dt = event+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 875" width X 22" 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