+ Product Details Size – 4"w X 14"h is the size for the duct opening measurement only
+ Product Details Size - 12"w X 20"h is the size for the duct opening measurement only
these louvers are built to last
actual front end outer dimensions are approximately 10 5/8" width X 34 5/8" height
+ Product Details Size - 10"w X 18"h is the size for the duct opening measurement only
24" X 24" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w25h25 + Product Details Size –+ Product Details Size 24"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 26" 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