20" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w32h32 actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 27 5/8" width X 28 5/8" height

actual front end outer dimensions are approximately 22 5/8" width X 14 5/8" height

+ Product Details Size – 26"w X 30"h is the size for the duct opening measurement only

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20" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling w32h32 actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 27 5 8" width X 28 5 8" height actual front end outer dimensions are approximately 22 5 8" width X 14 5 8" height