Oase BioStyle 50 Grey - Aquarium Filter

Compact, sleek power filter – ideal for fresh or marine aquariums up to 50 gallons Multi-stage filtration – includes three complete cartridges that each house a 45 ppi foam for mechanical and biological filtration, a chemical mix to remove odors, impurities, and harmful nutrients, and finishes with a filter fleece for a water polishing effect Biological filter foam – also includes three 30 ppi biological filter foams that trap debris and offers surface area for additional beneficial bacteria Customizable filtration – OASE offers additional chemical media cartridges that can be added to the BioStyle filter based on your aquarium needs. OASE also offers an empty cartridge for further optimization. All sold separately Adjustable leveler – foot for securing filter to different aquarium glass thickness Telescopic intake – transparent tube, extends from 6 in. to 14 in. for varying aquarium heights