Outdoor filter for clean and healthy aquarium water: closed water circuit system for aquariums from 40 to 120 liters (40 to 80 cm). Fully equipped and ready for connection: integrated quick priming device, filter start without water suction. Easy to assemble. Ultra quiet operation with a flow rate of 450 l/h. Patented pre-filtration with 100% larger surface area than model 401. High biological filtration capacity, vol. 4.6 l, 360° rotating hose connections, easy to replace filter media. TÜV tested, safe and highly energy efficient: enormous energy savings. Contents: outdoor aquarium filter system, hoses and tubes 12/16, suction strainer, elbows, suction cups, filter masses (biofiltration beads and foam).