The EHEIM professionel 4+ – our best external filter but now with an integrated ‘emergency’ button.We have adopted the many advantages of the professional 3 series – powerful performance, optimal energy efficiency, quiet operation, priming aid, safety hose adapter – but we have also improved the technology by incorporating the new ‘Xtender’ button.In the event the output is reduced due to the fine filter media blocking, the button can be adjusted to redirect the flow. The biological filtration is main-tained and the service interval can be extended by a few days.There are 3 sizes available for aquariums up to 250, 350 and 600 litres. The models 250 and 350 are also available with an integrated heater as thermo filter (T). In addition, the professionel 350e can be electronically controlled from a PC.Advantages of the EHEIM professionel 4+ filterPremium class external filters with all the advantages of the professionel 3 seriesFor aquariums from 120 lt to 600 ltAdditional control function (Xtender) to counteract blocked filter media and extend intervals between cleaningSquare canister for high stability and large filter volumeHigh flow capacity with low energy consumptionAdjustable pump output.High performance ceramic axle guarantees quiet running and durabilityIntegrated self priming aid to initially prime the filterSafety hose adapter can only be removed when the valves are closedTop prefilter effectively traps large dirt particles and allows for longer service intervals. Simple to remove and easy to clean.Individually filter baskets with „Easy Clean“ gridFully equipped with original EHEIM filter media and installation accessories.
