Integrated Waterway high-quality SUS shell, Constant temperature water outlet. Lead-free, environmentally friendly, healthy, long-lasting and durable, one key to lock the temperature to avoid scalding, comfortable water temperature, no need to wait. Integrated PPS Molded Injection Waterway. Withstands 50 Bar Water Pressure, Safe and Durable. Insulation, Prevent burns. Quickly Adjust to the Desired Temperature as Needed, Quick Switch to Ideal State, Built-in Insulation and Anti-Scald Protection, Stable and Safe Cartridge options: VENRNET / Sidetrack / Wanhai, etc.