Q2241051 ProPEX EP Multi Port Tee 4 Outlets, 1 in x 1 in EP flow-through multi-port tee features 1" ProPEX inlet. All flow-through multi-port tees have 1/2" ProPEX branch outlets. The tee is made of EP, which is proven in demanding hot-water applications.ProPEX Tool is required. ProPEX Rings sold separately.