Bobbin wound filters are manufactured from the highest grade non-corrosive  material and employing the latest in filament winding techniques, ensures years of trouble free operation.  all internal components and  connections are injection molded UV-resistant PVC. MPV 6 position valve makes the selection of the valve/filter simple.

Cartridge filters use a paper-type cartridge as the filter media. The Catridge Filter features a thermoplastic chemical resistant tank with no-tool servicing and a coreless cartridge for easier cleaning.A cartridge filter is much smaller than a sand filter, and is usually tall and narrow.