Description FunctionPrevent water hose damage due to high pressure, suitable for camper, trailer and RV plumbing system. Upgraded Adjustable Handwheel DesignCompared with the traditional screw adjustable RV water pressure regulator, the GRTOWO RV water pressure regulator with meter is designed with an upgraded adjustable handwheel. Simply pull up the knob by hand and turn to adjust the pressure, no tools required, easy to operate. Meter DisplayWater pressure can be seen on the meter, which is necessary for RVs, campers and travel trailers. Durable Lead Free BrassC46500 is lead free brass treated with hot casting process technology. Tested to contain less than 0.13% lead per regulator, far below the NSF 0.25% lead-free requirement, allowing you to live a safe and healthy life! EASY INSTALLATION Removable RV water pressure regulator spool with adjustable pressure gauge for easy cleaning and replacement when needed. NOTE: Leaks can be caused by faulty or missing gaskets.