Evolution Aqua Dual Union Check Valves Little Giant 11" R800109 50 Watts 10-20

11" R800109 50 Watts 10-20 gallons 120V/60Hz 0

packaged with two screws for easy assembly

Easy to install and maintain they are ideal for a variety of applications

5" H Maximum Pump Flow 1800gph Maximum Pond Volume 1200 gallons

Evolution Aqua Dual Union Check Valves Little Giant 11" R800109 50 Watts 10-20Evolution Aqua check valves are essential when using a waterfall filter in conjunction with a pond skimmer. The check valve will prevent water in the filter from back flowing into the skimmer when the pump is switched off and keep water in bogs when the pump is turned off and other purposes. Check valves are also essential when an external pump is being used. The check valve prevents the water from draining back into the pond or reservoir, keeping the