Klir Fleece Roller Filter Di 4

Enjoy a maintenance-free aquarium filtration for months at a time. Klir Filter 4in automatically unrolls new filtering material, removing suspended particles from your aquarium and producing crystal clear water. Modular Mechanical Filtration at its Finest. Product Description: The Patent Pending Klir Fleece Filter Di-4 fits directly into most 4 in filter sock chambers. This filter automatically unrolls new material as it gets clogged, removing suspended particles from your aquarium and producing crystal clear water. Enjoy maintenance-free aquarium filtration for months at a time. The Klir filter is a direct replacement for filter socks on sumps with sock trays.