Oase BioMaster 350 (External Canister Filter )

External filter operates quietly to circulate and filter your aquarium water Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration. 
EasyClean pre-filter chamber for extremely simple filter cleaning and top comfort
Available with or without integrated HeatUp adjustable heater for undisturbed views of the underwater world without visible technology, optimum temperature level, improved safety