16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Round Duct Pipe R Value Rating of Insulation

R Value Rating of Insulation - R3

With Insect Net That Will Prevent Mousquitos and Insects From Entering

Noise free components - no vibrating louvers etc

+ Product Details Size – 12"w X 20"h is the size for the duct opening measurement only

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16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Round Duct Pipe R Value Rating of Insulation+ 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