Description: 【Size】By pass valve with 1/2 NPT size, 1/2 barb fitting, 32cm siphone hose, come with seal tape and clamps, provides a seamless connection to the RV and hose, simplifying the winterization process 【Siphon Hose】RV winterizing kit with a soft siphone hose, provides a greater reach. This ample hose length enables efficient transfer of antifreeze, ensuring thorough protection against freezing temperatures 【Material】RV 3 way by pass valve crafted from brass and pp material, offers good strength and resistance to rust. And will not react with antifreeze, ensuring safety during use 【Feature】 Our by pass valve features two separate switches, allows for independent control of water flow, giving you greater flexibility and convenience. And also enjoy full flow water capacity without any limitations 【Application】Designed to utilize the RV for filling the RV hose with antifreeze, by leveraging the existing system, users can efficiently distribute antifreeze throughout the plumbing system, safeguarding against freezing in winter conditions Specification: Material: Brass PP  Size Chart: Hose Total Length: 32cm/12.60inch  Package Includes: 1 Set RV Winterizing Kit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.