Oase BioStyle 20 Grey - Aquarium Filter

OASE BioStyle 20 is a sleek, compact power filter, ideal for marine and freshwater aquariums up to 20 gallons. This hang on back filter includes one multi-stage filter cartridge and one biological filter foam to ensure optimal water quality and clarity. The easy to see cleaning indicator lets you know when it is time to change the multi-stage cartridge or clean the biological filter foam. BioStyle filters are designed for easy installation, with an adjustable leveler foot for securing the filter to different thicknesses of aquarium glass and with a telescopic intake for varying aquarium heights The filter’s built-in adjustable flow control allows you to change the intensity of water movement in your aquarium. Designed with German engineering and manufactured in Italy, this quiet and energy efficient filter is backed by a 3-year warranty.

• Compact, sleek power filter – ideal for fresh or marine aquariums up to 20 gallons
• Multi-stage filtration – includes one complete cartridge that houses 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 one 30 ppi biological filter foam that traps 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