10" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Aluminum - Cube Core + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 4"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 20"w X 4"h is the size for the duct opening measurement only

+ Product Details Size - 40"w X 20"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 12 5/8" height

Actual Filter Size – 29 3/4"w x 25 3/4" x 1"

10" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Aluminum Cube Core + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 4"w X 14"h is the size for the duct opening measurement only + Product Details Size – 20"w X 4"h is the size for the duct opening measurement only