Seltz L by Hydor is a multipurpose centrifugal pump for fresh and marine water aquariums also suitable for biological filters and for water circulation. Very versatile, it can be used even if it is not submerged and is equipped with suitable pipe clump tube connectors suitable for this purpose. The pump, with adjustable flow rate, has a monobloc impeller and is equipped with a filter cartridge and suction cups.Available in various models with different flow rates and head.Cleaning tips: Remove dirt and limestone from the rotor and its seatwith a soft brush, do not use detergents or solvents. Rinse the sponge with running water.