8" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w10h10 Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 25 3/4" x 1"

+ Product Details Size - 6"w X 28"h is the size for the duct opening measurement only

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And The Cooler Air From Outside WIll Flow In From The Bottom

designed for optimal airflow and efficiency

8" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w10h10 Actual Filter Size – 15+ Product Details Size 8"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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