| Pre-filters help prevent premature pump damage by keeping debris from entering your pump. For optimum pump protection, replace old or worn pre-filters. Replacement Pre-Filter Sponge (Mfg #12505 cylindrical style) available for Mag Drive Pump Models 500 and 700. Large Replacement Pre-Filter Sponge (Mfg #12730 block style) available for Mag Drive Pump Models 9.5, 12, & 18. Plastic Replacement Pre-Filter (Mfg #12785 rigid, finned style) available for Mag Drive Pump Models 9.5, 12, 18, & 24. |















