Master Flow 3-1/4 in. x 10 in. x 7 in. Hood Transition Fan Boot FB3.25X10X7 - The Home Depot

Fypon, Ltd. WCH32X6 32W x 36 1/2OW x 6H x 3P Crosshead

Master Flow 6 in. x 6 in. x 6 in. 26-Gauge Tee 26T6X6X6 - The Home Depot

Master Flow 3-1/4 in. x 10 in. x 7 in. Hood Transition Fan Boot FB3.25X10X7 - The Home Depot

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Round Reducer is made of galvanized steel. It features hemmed collar edges for enhanced strength and a secure fit. The reducer is used to transition from a 10 in. pipe to a 7 in. pipe in an HVAC system. It is suitable for most HVAC applications.

Master Flow 10 in. to 7 in. Round Reducer R10X7

Master Flow 3-1/4 in. x 10 in. x 7 in. Hood Transition Fan Boot - Yahoo Shopping

Master Flow 7 in. x 2 ft. 26 Gauge Round Metal Duct Pipe 26CP7X24 - The Home Depot

Master Flow 6 in. Oval to Round Boot End OTREB6 - The Home Depot

Master Flow Pre-Insulated Register Box with Installation Rails create a straight (in-line) transition from round pipe or insulated flexible duct to an air register or grill. They arrive ready-to-install, conveniently pre-wrapped in a foam insulation cap. The included Installation Rails attach to the flange or easy attachment to joists or other nailing surfaces. Design saves time during installation and energy without additional sealant or insulation.

Master Flow GreenBoot 10 in. x 8 in. to 7 in. Pre-Sealed and Pre-Insulated R-6 Register Box with Installations Rails

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The Perma-Boot 312 is a high performance vent pipe flashing designed for new roof and re-roof applications. The patented design allows for use on roofs pitched from 3/12 to12/12. Compatible with PVC an all other vent pipe types. A nailing flange is incorporated for traditional fastening to roof deck.

312 Perma-Boot: 3-Inch Gasketless Pipe Boot with Flange (Black)

Master Flow 3-1/4 in. x 10 in. x 7 in. Hood Transition Fan Boot FB3.25X10X7 - The Home Depot

Master Flow 6 in. x 6 in. x 6 in. 26-Gauge Tee 26T6X6X6 - The Home Depot