Oval Stack Head - 10" X 6" - 7" - Compatible with Duct 7" Extruded Aluminum Ceiling + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

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

and various other applications

durable white powder coat finish for an attractive look & high durability corrosion protection – 15mm medium-density fibreboard with felt cover and rubber sealing between the door and frame for tight security

actual front end outer dimensions are approximately 34 5/8" width X 14 5/8" height

+ Product Details Size - 34"w X 22"h is the size for the duct opening measurement only

Oval Stack Head 10" X 6" 7" Compatible with Duct 7" Extruded Aluminum Ceiling + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 20"w X 40"h is the size for the duct opening measurement only and various other applications