Add a "T" intersection from one pipeline to create a lateral branch in your flow system using the PVC 1 in. CTS UC X 1 in. CTS UC X 1 in. IPS FPT Compression Tee. This high-quality tee has two ends that connect onto 1 in. CTS pipe ends and one FPT end that threads onto a 1 in. IPS MPT pipe end. There's an adjustable nut on each compression end of the tee to tighten and secure it in place. The compression tee provides a corrosion-free connection and reduces pull-out from pipes. Durable, leak-resistant compression tee is made of PVC plastic. Gasket is made of santoprene.