Round Stack Boot 12" X 3.25" X 6"- is Compatible with Duct 6" Height_12in Actual Filter Size – 23

Actual Filter Size – 23 3/4"w x 29 3/4" x 1"

75" width X 23

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

The SK-5 Japanese Alloy Steel V Blade guarantees strong

Round Stack Boot 12" X 3.25" X 6"- is Compatible with Duct 6" Height_12in Actual Filter Size – 23+ Product Details Size The size of a galvanized sheet metal stack boot is 12" X 3. 25" X 6". It is compatible with duct 6". Design The stack boot at the bottom of the stack allows a transition from an ordinary large round or rectangular duct to a thin wall mounted duct. Applications The straight boot is used for a straight line transition going from round pipe or insulated flex duct to wall stack. Premium Quality Our straight round stack boot is made