This Pondmaster Replacement Rigid Pre-Filter fits Pond-Mag (formerly Mag-Drive) pump models 9.5, 12, 18, 24, and 36. The pre-filter aids in the filtration and health of your pond or water garden by preventing large debris such as sticks, twigs and large rocks from entering the pump chamber and potentially damaging the impeller.
Made of durable high impact plastic
Prevents impeller from being damaged by debris
Easily slips on pump intake
Fits Pondmaster Pond-Mag 9.5, 12, 18, 24 and 36 magnetic drive pumps