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

+ Product Details Size – 18" x 28" or 28" x 18" is the size for the duct opening measurement only

thanks to its 7/8" margin turnback

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 25" OR 25" X 14" duct opening (measured at the opening)

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Elevate your HVAC system with our USA-made Snap Collar Duct Board Fitting

Round Stack Boot 10" X 3.25" X 7"- is Compatible with Duct 7" tools + 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