Eheim Professional 4+ 350T


180-350 litres
  • External thermo filter with heater for fresh water aquaria from 120 to 250 litres
  • For aquariums 180-350L
  • High flow capacity with low energy consumption
  • Adjustable pump output
  • High performance ceramic axle guarantees quiet running and durability
  • Integrated priming aid to initially prime the filter
  • Safety hose adapter can only be removed when the valves are closed
  • Top prefilter effectively traps large dirt particles and allows for longer service intervals
  • Simple to remove and easy to clean
  • Fully equipped with original EHEIM filter media and installation accessories

The Eheim Professional 4+ 350T external thermo filter, a high-tech filter produced by the actual inventors of external filters. This external canister filter has a more than adequate output of 950 litres per hour as well as a media volume of 3.5 litres. the output from the the Pro4+ 350T can easily be controlled using the valve block lever.  The Eheim professionel 4+ 350T can comfortably cope with aquariums up to 120 litres at high stock levels.

Eheim Professional 4+ 350T Features.

The main feature is the built-in heater that keeps the tank looking neat and tidy by the lack of ugly glass heaters on show. The fact that the water becomes heated as it passes through the filter also distributes the heat more evenly. The very real risk of fish being burnt by leaning against the internal glass heater also will be removed.

Do not be concerned about the integrated heater breaking. The filter will still operate and the chances of this it must be said are tiny. We have sold this unit for years and they are rock solid. The heating element is like that seen in a kettle, sturdy and reliable.

You will love the Eheim pro 4’s clever all in on in one quick release adaptor for the hoses. (see pictures)

Another feature that you get is the safety valve block that won’t allow you to spill water. there is just one lever to close both valves before the release button can also be pressed.

The head unit on Eheim Pro4+ 350T features a useful built in primer making priming so simple.

The Eheim professional 4+ 350T comes with a large first filter stage that is simple and quick to clean, cleaning of which will extend intervals between a full service.


Eheim Professional 4+ 350T features the new ‘Xtender’ button.

Along with all the Pro4+ range of filters the Eheim Professional 4+ 350T features the new ‘Xtender’ button. The Xtender can be used in the event that the filter requires cleaning, but you haven’t the time. It will bypass fine floss to maintain the main biological filtration and the oxygen levels in the tank. We recommend that you do however clean the filter properly as soon as you can.


What Abyss Thinks of the Eheim professional 4+ 350T.

The Eheim Pro 4+ 350T belongs to the Eheim range of thermo filters, that we have sold for years and we hold in high regard. Many cheaper filters copy as closely as can, Eheim but only in looks not quality. It’s all in the feel, you can just tell by touch that this is a much better product. The plastics are high quality, and you can feel and also see this.

Why Choose Eheim?

Eheim have designed and made filters for a long time, over fifty years. One of the milestones in the companies history was when they developed the centrifugal pump with magnetic transmission in 1962. The original design of the pump was for a way to operate a model fountain. This mini pump with its reliable mechanics went on to be installed in highly sensitive appliances for medical applications. As well as other high-tech products of the 1960s this pump has stood the test of time.

Eheim Pro4+ 350T Performance.

Biological filtration is optimised with the way that the trays fit snuggly inside the Eheim Pro 4+ 350T. Which therefore increases efficiency in the media space by hardly any bypass of the media.

Please note that the Eheim Professionel 4+ 350T can only be used for fresh water tanks.

Other Eheim filters are here.


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