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EHEIM 2271 professionel 4+ 250 external filter

€193.17
In stock
SKU
2271020

The EHEIM professionel 4+ – EHEIMs best external filter but now with an integrated ‘emergency’ button.

They have adopted the many advantages of the professional 3 series – powerful performance, optimal energy efficiency, quiet operation, priming aid, safety hose adapter – but they 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+ filter

  • Premium class external filters with all the advantages of the professionel 3 series
  • For aquariums from 120 lt to 600 lt
  • Green Aqua recommendation: up to 80 liters in planted aquarium
  • Additional control function (Xtender) to counteract blocked filter media and extend intervals between cleaning
  • Square canister for high stability and large filter volume
  • High flow capacity with low energy consumption
  • Adjustable pump output.
  • High performance ceramic axle guarantees quiet running and durability
  • Integrated self 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.
  • Individually filter baskets with „Easy Clean“ grid
  • Fully equipped with original EHEIM filter media and installation accessories.

Link to the manufacturer site

 

Each filter has three roles in a planted aquarium. In order of importance:

NITRIFICATION
It is the most important! Toxic and algae-causing ammonia in the aquarium must be decomposed. As fast as possible. Billions of bacteria growing in the filter convert ammonia into nitrite and then nitrate.

WATER CIRCULATION
Nutrients (plant food and CO2) must reach the plants. Solid decomposition products should be kept afloat. Good performance is essential.

WATER TREATMENT
Solid decomposition products must be physically removed from the aquarium and decomposed in a filter or removed during cleaning.

For a filter to fully perform all three roles, it must meet several criteria. Ideally suitable to have a bucket of the right size to store the right amount of filter media. The filter material contained in it must be of adequate quality and variety. The pump in the filter must have sufficient capacity. The filter should be easy to clean so that the cumbersome process does not deter the aquarist from regular maintenance. Plus, the filter needs to be reliable; no one wants to flood a living room or office due to a cracked tap or joint.

Read more about our filter guide.

More Information
NameEHEIM 2271 professionel 4+ 250 external filter
SKU2271020
EAN4011708224960
Weight (kg)5.700000
ManufacturerEheim
Pump Power (lph)950
For Aquarium SizeBelow 50L, Below 100L, Below 150L
Hose Size16/22 (17 mm)
Shipping in 24 hours
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EHEIM 2273 professionel 4+ 350 external filter Previous EHEIM 2273 professionel 4+ 350
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