Pre-Filter Sponge Quiet One 2200/3000/4000/5000/6000 Pond

Pre-Filter Sponge for Quiet One 2200/3000/4000/5000/6000 Pond pump. It is used as a pre-filter and can be pulled out of the strainer for cleaning. Should be used in conjunction with the strainer that gets threaded on the front volute of the pump.