Replacement Filter Cartridge for the Oase BioStyle Set of 4

The Replacement Filter Cartridge Set of 4 for the BioStye 20, 30 & 50

5-in-1 Filtration – The BioStyle Multi-Stage Filter Cartridge provides 5-in-1 filtration which ensures clean, healthy, and clear water for your aquarium

No Mess Maintenance – The disposable filter cartridges are easily removed and replaced

Contains four replacement cartridges that fit inside the chamber of the BioStyle filter. Quantity needed depends on the size of the filter.

Each multi-stage cartridge includes a filter foam, chemical media mix, and filter fleece

Stage 1: Filter Foam – 45 ppi filter foam traps debris and waste and offers surface area for beneficial bacteria

Stages 2-4: Chemical Media Mix – Contains carbon, zeolite, and phosphate binder, that work together to remove odors, impurities, and harmful nutrients from the water

Stage 5: Filter Fleece – Traps extremely fine debris for a water polishing effect

Changing the filter cartridge –  filter cartridge should be replaced after 4-6 weeks, depending upon aquarium size, number of fish and plants, and declines in filter performance

Rinse cartridge with water before use – do not open the cartridge