Biological filter for aquariums up to 200 liters with heater compartment, filter compartment with sponge prefilter, bio ball, super porous cannoliers and active carbon. Pump compartment with additional filter unit with 12 watt pump. Anchoring system with suction cups and filter cover. The water crosses: 1) the heater chamber 2) the bio balls 3) the sponge prefilter 4) the cannoliums 5) the activated carbon 6) the sponge under the pump is finally returned to the purified aquarium through the pump. Optimize space inside the aquarium. It promotes fish growth and life expectancy. It favors the deposition of eggs. Optimizes the decomposition of substances and residues. Technical features: - power: 12 watt - voltage: AC 220-240V / 50Hz - capacity: 650 lt / h - dimensions: 2 55x156x375 (h) mm