16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w28h28 actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 36 5/8" width X 16 5/8" height

+ Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille

The back is completely insulated

16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w28h28 actual front end outer dimensions+ Product Details Size 16"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 12" 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