Shower hose parameters and precautions G1/2" connectors and fittings 1.5m shower hose is suitable for 1.27cm overall interface and most standard shower heads. Suitable for baths, showers and thermostatic mixers. Note: The hex nut is the side that attaches to the shower head holder. The smooth tapered nut is the side that attaches to the shower head. If you reverse these, the shower head will not dock into the shower head holder. High quality leak-proof construction . Anti-explosion,heat,salt and acid,waterproof high pressure resistant braided nylon of head and hose.It is more durable than ordinary hose and shower head .Rubber seals on the connectors prevent water leakage. Durable shower hose. The shower head with hose has a double connector that prevents the shower hose from tangling, giving you the best possible water pressure from your shower heads.