Use elbows for making 90º PEX Press connections in ViegaPEX or FostaPEX runs. "Zero Lead" identifies Viega products meeting the lead free requirements of California and Vermont law, effective January 1, 2010, as tested and listed against NSF - 61 Annex G. Viega's new Zero Lead bronze material still has superior dezincification properties as compared to standard bronze press fittings and will carry the same trusted listings required for potable water use. Viega selects top quality materials such as zero lead bronze, Eco Brass, stainless steel, and durable plastics providing the basis for the very highest standards of quality that Viega is known for.