It is a compact interior filtration system which, due to its EasyBox® filter cartridge system, size XS, has an excellent biological, mechanical and chemical filtration capacity. The MINI BIOBOX®2 filter is used in aquariums of up to 80 litres. It includes an EasyFlux® 300 water pump, an EasyKlim® 50W or 75W heater according to the size of the aquarium, and 4 EasyBox® filter refills, size XS. It completely eliminates the waste pollutants that accumulate in the water, leaving it clean and clear, providing the best living conditions for fish and plants. Maintenance of this filter is very simple and safe.