12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling steel text-align: left

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Actual Filter Size – 13 3/4"w x 24 3/4" x 1"

4" X 14" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Details Size - 30"w X 18"h X 2"d (for duct opening measurement only)

12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling steel text-align: left+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 8" 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