6" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Grille High Quality – High quality

High Quality – High quality ABS plastic will never rust

+ Product Details Size - 10"w X 20"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 11 3/4" x 1"

Q: Why BLACK

Designed for both wall and ceiling applications

6" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Grille High Quality – High quality+ Product Details Size 6"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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