PEX Tee Brass Crimp Fitting - Lead Free These Lead Free Brass PEX crimp fittings are connections used with and connect to PEX Tubing. They are approved for potable water use and can be used with a stainless steel clamping system or a copper crimp ring system. Additionally, these PEX fittings are NSF and UPC Approved, manufactured to ASTM Standard F1807 and can be used with PEX Tubing Manufactured to ASTM Standard F876-877. PEX tees are used to connect three PEX pipes Compatible with all types and brands of...