4 universal interface points: both ends of the interface are forged stainless steel nuts, the thread is precise, not easy to twist and burst 304 stainless steel braided hose: anti-corrosion, anti-fracture, good toughness, good sealing, four points, high temperature resistance, strong tensile strength, easy to bend, no water leakage, easy to install Where should I use a single thread water inlet hose? Squat toilet or water tank: connect to the angle valve in the corner. Water inlet hose from toilet or squat tank [only one is needed] Single cold water tap: connected to the angle valve in the corner. Water inlet hose from a single cold water tap [two required] Double hole hot and cold water basin faucet: connected to the angle valve in the corner. The double hole basin makes the hot water basin faucet inlet pipe [two required] Electric bathroom water heater: connect it to the angle valve in the corner. Water inlet hose on electric water heater [two required] Thick EPDM inner tube: