1.MATERIAL: Made of Stainless Steel Body.Inner Pipe Is Made of Non-Toxic・ Epdm Material・ Resistant To Abrasives And Tearing・ Ensuring Maximum Durability And Flexibility.2.2 Leakproof Washers: Made of Nbr・High Wearing Feature And Thermal Resistance・No More Leaks3.Universal Fittings:Solid Brass Connector・Never Rust・International Four-Mark Standard・1/2ips 4.EPDM Inner Pipe: Seven Times Resist Compression・-20 Degree To 90 Degree Hot And Cold Test・No Deformation・Anti-Explosion 5.ANTI-KINK:DOUBLE Interlocked Stainless Steel Make It Flexible・Maximum Load-Bearing Up To 20KG.COMPATIBLE with Most Systems: Electric Showers・ Pumped Electric Shower・ Bath wall Mixer Showers・ Power Showers・ Combi Unvented Systems Ect.