30" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling white Actual Filter Size – 17

Actual Filter Size – 17 3/4"w x 15 3/4" x 1"

Air Flow – Ensure a quiet and smooth HVAC system with noise-free components

10" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover

+ Product Details Size - 32"w X 18"h is the size for the duct opening measurement only

30" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling white Actual Filter Size – 17+ Product Details Size 30"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 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