16" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Copper Coil-Insulated Line Set You may think of grilles

You may think of grilles and registers as a generic component of the ventilation system in your house

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actual front end outer dimensions are approximately 10 5/8" width X 12 5/8" height

with actual outer dimensions of 20

75" Width X 25

16" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Copper Coil-Insulated Line Set You may think of grilles+ Product Details Size 16"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 10" 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