1 Inch Expansion Pex A Polyethylene Alloy Elbow. For use with cold expansion Pex A tubing and sleeve system. Compatible with Uponor (Wirsbo) ProPEX piping systems (ProPEX is a trademark of Uponor). ASTM F1960. Pack of 5. ; ; Brand Name: Apollo Sub Brand: PEX / Pex A End 1 Diameter: 1 in. End Type 1: PEX Expansion in to End 2 Diameter: 1 in. End 2 Type: PEX Material: Plastic Product Type: Elbow Medium Lead Content: Lead Free Push to Connect: No Maximum Pressure: 200 psi Packaging Type: Bagged Maximum Temperature: 200 F Number in Package: 5 pk Uponor Compatible (Wirsbo) ProPEX. (ProPEX is a trademark of Uponor [Wirsbo].)