10" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return font-size: 18px

font-size: 18px

actual front end outer dimensions are approximately 12 5/8" width X 38 5/8" height

+ Product Details Size – 26"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 16"w X 36"h is the size for the duct opening measurement only

Why HVAC Premium

10" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return font-size: 18px+ Product Details Size 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 875" width X 6" 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