Oase BioPlus

Internal corner filter with biological, mechanical, and chemical filtration plus an integrated diffuser with adjustable flow nozzle. Modular foam cartridges with activated carbon. Available in 50, 100, and 200 models for tanks up to 55 gallons. Also available as BioPlus Thermo with a built-in heater — a clean all-in-one solution for the inside of the tank.