This Master Flow 4 in. Round Tee is ideal for branching a main line or a branch line with a 90° angle. Galvanized steel construction. It works well in heating and air-conditioning applications as well as with kitchen and bath fans.
Galvanized-steel construction
Sturdy， metal tee is ideal for venting bath and kitchen fans as well as heating and air-conditioning applications
Branches a main line or branch line with a tapered， 90° angle
Installs with sheet-metal screws
Add a reducer after the branch to help ensure proper air velocity
Insulate ductwork for system efficiency and comfort
Seal seams with code-approved mastic， sealant or duct tape (not included)
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