18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling flat stamped steel actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 20 5/8" height

Pressure Rating: 2100 to 7000 PSI

Universal size

or just adding updated elements to your current home

Adjustable airflow control – Adjustable airflow control: The system allows users to customize the amount of air supply

18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling flat stamped steel actual front end outer dimensions+ Product Details Size 18"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 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