12" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Powder Coated Easy Unrestricted Air Flow For

Easy Unrestricted Air Flow For Your HVAC System

+ Product Details Size – 8"w X 20"h is the size for the duct opening measurement only

these airflow control components provide you with effortless control over your indoor environment

these heavy-duty louvers are ideal for use in attics

+ Product Details Size - 8"w X 34"h is the size for the duct opening measurement only

12" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Powder Coated Easy Unrestricted Air Flow For+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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