Description
Heavy-gauge all-steel construction
R Value Rating of Insulation - R3
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adds an extra layer of protection
actual front end outer dimensions are approximately 16 5/8" width X 28 5/8" height
24" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Adjustable Return Heavy-gauge all-steel construction+ Product Details Size 24"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 18" 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