it ensures long-lasting performance in both residential and commercial settings
Perfectly suited for both residential and commercial use
actual front end outer dimensions are approximately 20 5/8" width X 338 5/8" height
screws same color as vent cover
This versatile diffuser is available in 1-way
16" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Floor Grille it ensures long-lasting performance in+ Product Details Size 16"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 6" 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