WATERPROOF & RUST PROTECTION: The hose is made of stainless steel with more than twice the strength of ordinary brass, good resistance to acid, alkali and salt, long-term corrosion resistance to prevent shower heads from blocking due to rust residue. ELEGANT DESIGN: Mirror-like surface to create a cool gray, shiny and highly reflective metallic appearance. It adopts special process technology with enlarged sealing surface of the water outlet to ensure close contact with the shower head gasket. STANDARD THREAD: The product is 40cm long, the inlet thread specification is 1/2", suitable for standard shower hoses. The outlet thread specification is 1/2" (compatible with 1/2" IPS thread). Suitable for most universal shower heads. PREMIUM SURFACE FINISH: Multi-layer nickel-chromium electroplating process technology, the nickel layer can resist corrosion with adhesion, the chrome layer can resist scratches with a shiny effect.