OASE BioStyle Activated Carbon Cartridge - Aquarium Filter Cartridge Part # 84249
 
Fits OASE BioStyle filters
Activated Carbon Cartridge removes toxins and odors and improves water clarity
Helps to remove cloudy water, harmful metals, odors, tannins or other colors for clear water
Small, low-volume pores – Increases surface area of carbon for absorption of unwanted substances
One cartridge with 50g of activated carbon – Fits inside the filter chamber, in place of the 30ppi filter foam, of theBioStyle filter.
Carbon should be replaced after 3-4 weeks, depending upon aquarium size, number of fish and plants, and declines in filter performance