This Master Flow 4 in. Round Tee is ideal for branching a main line or a branch line with a 90-degree angle. 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 sharp, 90-degree 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)