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

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

Tailored for Your Needs: Specifically suited for 24x24 lay-in diffusers

rotate it to align with the square frame

actual front end outer dimensions are approximately 22 5/8" width X 16 5/8" height

+ Product Details Size - 26"w X 24"h is the size for the duct opening measurement only

16" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Black + Product Details Size –+ Product Details Size 16"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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