Apollo PEX Poly Alloy Fittings are used for making junctions or directional changes with PEX pipe constructed potable water systems. These fittings are made from Polyphenysulfone materials. All Apollo PEX Poly Alloy Fittings comply with the U.S. Safe Water Drinking Act (SDWA) and the 2011 U.S. Reduction of Lead in Drinking Water Act by containing equal to or less than 0.25% lead.