FORMUFIT 1 in. 4-Way PVC Tee Fittings in Red are a straightforward solution to assemble offset or tiered structures made from PVC pipe. 4-Way PVC Tee fittings give your project the extra dimensions it requires. This structural Furniture Grade PVC 4-Way fitting joins 1 in. size PVC pipe at four points on three planes for multi-tiered connections. There are three sockets on the same plane and a fourth to allow perpendicular connections on top. These fittings provide capabilities you won't find with plumbing-grade fitting options.