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!

Specifications:
Small Pre-Filter:

• Fits Pumps: Aquabelle 250, 500 and 700 and Mag Drive 2, 3, 5, and 7
• Dimensions: 3″L x 4.5″W x 5.5″H
• Inner diameter of inlet: 1″

Large Pre-Filter:

• Fits Pumps: Mag Drive 9.5, 12 and 18
• Dimensions: 3.25″ x 4.5″ x 5.5″
• Inner diameter of inlet: 1-1/8″