Round Stack Boot 10" X 3.25" X 5"- is Compatible with Duct 5" 2-Way + Product Details Size -

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

75"H – fits a 18" X 10" duct opening

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

diagonally feed it through the square hole

+ Product Details Size - 24"w X 26"h X 2"d (for duct opening measurement only)

Round Stack Boot 10" X 3.25" X 5"- is Compatible with Duct 5" 2-Way + Product Details Size -+ Product Details Size The size of a galvanized sheet metal stack boot is 10" X 3. 25" X 5". It is compatible with duct 5". 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