OASE BioStyle 20 HangOnBack Filter 1ea/50 gal

Multi-stage filter cartridge � Disposable filter cartridge contains mechanical, biological, and chemical filtration Quick installation � Designed with an adjustable leveler, for securing the hang on filter to the aquarium rim, and an adjustable telescopic intake Easy maintenance � Cleaning indicator shows when it's time to change the filter cartridge Adjustable flow control � Change the intensity of water movement and oxygenation Ideal for use in aquariums up to 50 gallons Quiet operating motor Sleek, compact design Compliments the beauty of your aquarium Made in Italy, backed by German engineering Fresh and marine water compatible UL certified filter 3 year warranty