Pryitier 8 Pack Filter Cartridge for Marina Slim Filter S10/S15/S20, Replacement Fish Tank Cartridges with Ceramic for All Three Marina Slim Models

Pryitier 8 Pack Filter Cartridge for Marina Slim Filter S10/S15/S20, Replacement Fish Tank Cartridges with Ceramic for All Three Marina Slim Models

Quick installation, Insert the cartridge into the flushing chamber and make sure the filter cartridge fits completely into the chamber Filter cartridges replacement works with Marina slim filters, compatible with Marina S10, S15, and S20 slim aquarium filters This aquarium filter cartridge replacement cotton is made of thickened biochemical, non-printing and dyeing pure cotton,no chemicals Made of dense dual-sided mesh, Better thickness provides better filtration, Ultra-Activated carbon instead of ordinary carbon and also plus ceramic, which can effectively filter We recommend that you replace the filters every 2-4 weeks to maintain water quality. (It depends on the number of fish in fish tank) Filter Cartridge for Marina Slim Filter S10/S15/S20, Replacement Fish Tank Filter Cartridges with Ceramic for All Three Marina Slim Filter Model