24" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Brown + Product Details Size –

+ Product Details Size – 10" x 20" or 20" x 10" is the size for the duct opening measurement only

This simple adjustment reduces HVAC strain

+ Product Details Size - 20"w X 25"h is the size for the duct opening measurement only

+ Product Details Size – 12" X 4" is the size for the duct opening (floor/vent hole) measurement only

actual front end outer dimensions are approximately 32 5/8" width X 32 5/8" height -

24" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Brown + Product Details Size –+ Product Details Size 24"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 14" 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