6" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Grille Q: Why BLACK

Q: Why BLACK

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

+ Product Details Size - 28"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

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6" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Grille Q: Why BLACK+ 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