Durable Rubber Diaphragm And Disc For Consistent Positive Seating
Allen Set Screw
Includes Rubber Diaphragm And Disc And Draining Stem
Designed To Prevent The Backflow Of Polluted Water From Entering Into The Potable Water Supply
Ideal For Inside And Outside, Health Hazard Installations Requiring Non-Continuous Pressure Such As Service Sinks, Swimming Pools, Photo Developing Tanks, Laundry Tubs, Wash Racks, Dairy Barns, Marinas, And General Outside Gardening Uses
