The high-tech external canister filters generation with priming support and full of innovative technology for aquarium sizes up to 600 l. EHEIM professionel II is continuing the philosophy of the professionel series consistently and offers greater efficiency with even more convenience. The large priming cylinder on the pump head is not only a special design element. The filter system is filled with this convenient priming support at the push of a button and immediately the system starts working. Complicated priming principles for which every aquarium owner developed his own more or less inconvenient and often also wet technology are now a thing of the past. The supplied hose adapter is equipped with 2 shut-off valves. When the safety adapter is mounted, the flow rate is adjusted with the combi-lever. If the hose connection is disconnected, the combi-lever is also used but in conjunction with the red safety catch. The lever is easier to use and faulty operation is virtually impossible. In the hose adapter th flow rate indicator displays the flow rate. This way you can see the filter efficiency at a glance. EHEIM high performance ceramics, i.e. high quality ceramic components, provide for very quiet continuous operation characteristics. The high quality filter canister is equipped with practical filter baskets. Filter baskets are easy to take out and to fill.