12" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Insulated Line Set The tool-free latch allows hassle-free

The tool-free latch allows hassle-free maintenance

+ Product Details Size – 20"w X 50"h is the size for the duct opening measurement only

Actual Filter Size – 21 3/4"w x 5 3/4" x 1"

+ Product Details Size – 22"w X 25"h is the size for the duct opening measurement only

12" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Insulated Line Set The tool-free latch allows hassle-free+ 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