Round Stack Boot 10" X 3.25" X 7"- is Compatible with Duct 7" Compatible With Duct 12in + Product Details Size –

+ Product Details Size – 32"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 14"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of galvanized sheet metal oval stack head with collar is 10" X 6" - 6" and it is compatible with Duct 6"

+ Product Details Size – 25"w X 20"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

Round Stack Boot 10" X 3.25" X 7"- is Compatible with Duct 7" Compatible With Duct 12in + Product Details Size –+ Product Details Size The size of a galvanized sheet metal stack boot is 10" X 3. 25" X 7". It is compatible with duct 7". 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