18" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w28h28 Actual Filter Size – 31 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212
Yard notes & kiln story
Description
Actual Filter Size – 31 3/4"w x 11 3/4" x 1"
and Diffusers
+ Product Details Size – 16"w X 14"h is the size for the duct opening measurement only
+ Product Details Size - 28"w X 30"h is the size for the duct opening measurement only
actual front end outer dimensions are approximately 12 5/8" width X 26 5/8" height
18" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling w28h28 Actual Filter Size – 31 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 31 3 4"w x 11 3 4" x 1" and Diffusers