It’s small, gives excellent performance and is simple to fix to the tank with suction cups. The filter sucks the water in through vents, carries it through the filter sponge and directs it further up, cleaned, back into the tank. You can also connect an outlet hose in order to adjust the outflow direction. Unobtrusive, slim design Front water intake Connection for water outlet hose Completely equipped with original EHEIM filter pad, ready to use Only 5 Watt power consumption