Sioux Chief ASTM F1807 Crimp copper PEX fittings shall be used in hot and cold water distribution systems and hydronic heating applications. Fittings are approved for use with ASTM F876 PEX tubing with copper crimp ring or stainless steel compression sleeve.; ; Brand Name: Sioux Chief End 1 Diameter: 1/2 in. End 1 Type: PEX in. End 2 Diameter: 1/2 in. Material: Copper Product Type: Stub Out Elbow Average Lead Content: Lead-Free Push to Connect: No Maximum Pressure: 100 psi Packaging Type: Bulk Number in Package: 1 pk Inlet Connection Size: 1/2 in. Connection Type: PEX Height: 3.5 in. Radius: 1.25 in. Length: 8 in.