Not all not all PVC Tee fittings are created equal. Pipeworks Standard Tee PVC fittings are an important element when building PVC projects that share the same flat plane, such as tables and stands. Reflecting their versatility, these fittings are designed to fit over both Sch 40 and Sch 80 PVC pipe, each having three sockets that are designed to hold the PVC pipe into place. These fittings do not have any barcodes, embossments, or manufacturer markings on their outer surfaces.