Camco RV Water Tank Filler with Shutoff Valve helps fill your water tank in a fraction of the usual time and eliminate “bubble-back.“ Large 5/8" fill tube allows you to fill your camper, trailer or motorhome water tank at or near full pressure while minimizing line backflow. Quarter-turn pressure-sealed valve allows you to selectively control water flow. Fill the water tank in a fraction of the usual time Quarter-turn pressure-sealed valve helps to selectively control the water flow Large 5/8" fill tube helps to fill the water tank at or near full pressure while minimizing line backflow 5/8" fill tube Compliant with all federal and state level low lead laws. CSA Low Lead Content Certified to NSF/ANSI 372