The RJ by Lawn Genie 3/4 in in-line valve can be installed below ground and housed in a plastic valve box, which can be placed anywhere in the landscape without marring the view or disrupting maintenance activities. This rugged automatic valve has a smooth, low through design that provides optimum performance in potable and dirty water applications when used with a separate backflow prevention device. The RJ by Lawn Genie 3/4 in in-line valve feature a pressure activated double-beaded diaphragm to ensure long life and low maintenance and external bleed to flush out dirt from the supply and lateral lines during new installations and repairs.