With EHEIM classic you have everything that makes up a good external filter. By choosing a classic you won’t go wrong. Because you have chosen a reliable, millionfold tried and tested piece of equipment. All models perform to the highest quality standards. First class components and carefully matched features ensure perfect pump and filter performance. Additionally, you have the proverbial EHEIM quiet running, robust durability and low energy consumption. You will be very satisfied.There are 5 models for aquariums from 50 up to 1500 litres –with various equipment.Benefits of EHEIM classic external filterMillionfold tried and testedExceptional value for moneyvery quiet runninglow energy consumptionlong-lasting flexible silicon sealing ring in pumphead (for easy and safe replacement after cleaning)Can be filled with filter pads and/or loose filter mediaComes with spraybar, inlet pipe, hose and installation accessoriesVersatile accessories. For aquariums up to approx. 350.00 Pump power (50 Hz) per hour of approx. 620 lt