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

actual front end outer dimensions are approximately 33

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

width: 20px

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

Suitable for medium-pressure applications

18" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling return grille 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