26" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible with Duct 10" actual front end outer dimensions

actual front end outer dimensions are approximately 34 5/8" width X 38 5/8" height

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+ Product Description Enhance your HVAC system with our premium Aluminum Double Deflection Adjustable Air Supply Diffuser

+ Product Details Size - 14"w X 24"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

26" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Compatible with Duct 10" actual front end outer dimensions+ Product Details Size 26"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 875" width X 20" 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