- The Replacement Filter Cartridge Set of 2 for the Oase BioStyle 20, 30, & 50 and BioStyle Thermo 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 two replacement cartridges that fit inside the chamber of the BioStyle filter. The 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 a 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
Two multi-stage filter cartridges
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