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Pondmaster Mag Drive Pump Square Sponge Prefilter works with the Pondmaster Mag-Drive Pumps. Pondmaster Foam Pre Filter helps prevent rocks, sticks, and debris from being sucked into the pump.

Helps prevent rocks, sticks and debris from being sucked into the pump
Prevents damage to the impeller inside the pump
Screen out green algae, string hair algae, fish waste, leaves and more

Pondmaster Pre-filter prevents damage to the impeller inside the pump. Pondmaster Pump Prefilter will also screen out green algae, string hair algae, fish waste, leaves, and more!

Danner Pre-Filter for Mag-Drive Pumps Specifications:

For Mag-Drive Models: 950 GPH, 1200 GPH and 1800 GPH Pumps

Dimensions: 3.25" x 4.5" x 5.5"

Inner diameter of inlet: 1-1/8"