Evolution Aqua Essential Series Dual Union Ball Valves, Slip Connections - a better value Size:1" These replacement impellers are for

These replacement impellers are for Atlantic Water Gardens MD Series Mag Drive Pumps

and can be cleaned out very easily by simply shaking out the filter media or spraying down with a garden hose

This means a pump must be used to move water back into the pond

Models HP-20 to HP-120LL come with a rubber elbow adapter that fits 1/2" or 5/8" barb or slide over weighted 3/8" ID tubing

a 5/8" barb and a 1" barb to attach to any of those hose sizes

Evolution Aqua Essential Series Dual Union Ball Valves, Slip Connections - a better value Size:1" These replacement impellers are forBall valves are helpful when trying to regulate pump flow or temporarily restrict flow to work on a pump or filter. They allow you to stop back flow completely while disengaging your pump, or to throttle your flow rate down, or direct water through specific lines. Always restrict the flow at the line discharge and never directly at the pump or on the intake side. The Essential Series is a better priced Double Union Ball Valve from the standard OEM