EZ Flo Ball Valve Coupling Connectors Size:EZ FLO 25MM B V COUPLING CONNECTOR SOCKET 100 199 L min Flow Please contact us for 100 199 L min Flow Rate (L min) 105 L min Float Float Included Hp 0 A Backflow Prevention Valve is required to stop water from the irrigation system returning to the potable supply They provide the ability to adjust the differential pressure between the inlet and outlet connection to the irrigation system flow line and can ensure that even the heaviest organic fertilizers and supplements can be pulled from the tank They are used to connect the EZ FLO system to the irrigation flow line with the 1 4" flexible tubing provided with the EZ FLO system when the elevation of zone valves downstream from the EZ FLO System installation point are at an elevation 10' or more above the installation point