Explosion-proof and high quality The inner tube is made of EPDM material, which is high pressure resistant and anti-breakage. Multi-layer gold finish resists daily corrosion, scratches and tarnishing, Length: 150cm. Stainless Steel MaterialThe outer tube is made of SUS304 stainless steel, which is durable and of high quality. Good sealing performanceThicken the sealing ring, the sealing performance is super good, and it is not easy to leak, which solves your worries. Brass connectors massiveConical and hex connectors are made of brass, high hardness, anti-corrosion, 1/2 IPS, straight thread. UniversalConnection size: 1/2 x 1/2 inch, can be used with all standard accessories and hand showers, no tools required, easy to assemble.