24" X 30" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Color_Black + Product Details Size -

+ Product Details Size - 12"w X 28"h is the size for the duct opening measurement only

actual front end outer dimensions are 7

Design – Rigid gauge built for durability and long life in mind

+ Product Details Size – 22"w X 20"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 28 5/8" width X 36 5/8" height

24" X 30" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Color_Black + Product Details Size -+ Product Details Size 24"w X 30"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