EHEIM Classic External Canister Filter: A Quick Overview


If you are looking for a tried and tested, reliable filter, then you will not go far wrong by choosing an EHEIM Classic External Filter.

What Makes an EHEIM External Filter so Unique?

  • Value for money
  • Quality components, carefully matched
  • Robust and durable
  • Very quiet running
  • Low-energy consumption
  • There are five models to choose from, meaning that there are filters available for aquariums up to 1500 litres

Technical information for the EHEIM Classic 350 External Canister Filter:

  • The pump’s output is 620 litres per hour
  • The delivery head is 1.8 m/Ws
  • The volume of the canister is 4.8 litres
  • The filter’s volume is 4 litres
  • Power consumption of the filter is only 15W
  • Dimensions of the canister 185×370 mm
  • Hose size: suction side 12/16 mm, pressure side 12/16 mm
  • Suitable for fresh and marine water

Main Characteristics

You may feel a little swamped when faced with the options that are available on the market today when you are selecting an external canister filter for your planted aquarium.

What you need to focus on is: what sets one filter apart from the others available on the market. EHEIM filters are built to last. The sealing ring in the pump head is made of long-lasting and flexible silicon.

This design makes for easy and safe replacement after cleaning; the filter that cleans, needs to be cleaned too! Some filters have little fiddly areas that take a lot of time and effort to get properly clean, not with this Classic Filter.

Make sure the ease of cleaning is on your list of priorities! There is a wide range of accessories that are available with this filter; EHEIM external canister filters allow you to make personal choices about your planted aquarium’s setup.

Choose between filter pads and loose filter media, choose your accessories and make the setup your own. Most places that you can buy the Classic EHEIM filter from will include an inlet pipe, hose, spray bar, and installation accessories as standard in the box.

When you are choosing between brands, make sure you remember what a great deal you are getting with the EHEIM; the selection of versatile accessories are worth a lot of money!

Filter’s Performance

EHEIM Classic External Canister Filters are available for aquariums sized up to 350 litres and have a pump output of 620 litres per hour. Whatever you are keeping in your aquarium (even turtles!) there is an EHEIM Classic to suit your needs. At a little over 37cm, this powerful filter’s canister holds 4.8 litres of water. This filter is powerful and compact!

Ease of Use

When it comes to choosing an external filter for its ease of use, you won’t find many so easy to run and maintain as the EHEIM Classic External Canister filter!

The filter is easy to dismantle and clean with top quality silicon sealing rings for easy and safe access to the pump and ease of closing after cleaning. This filter is really easy to put back together! Choose EHEIM charcoal pads for the very simple maintenance of your filter.

All EHEIM Classic Filters are now designed with quick disconnect valves; the quality of their design is amazing, and the EHEIM designers certainly like to make improvements continually – even with filters that started as quality designs!

One of the really great design features, as far as cleaning and maintaining are concerned, is that these EHEIM Classic External Canister Filters need very little care! Set them up, let the bubbles run through, then they are as quiet as you can find on the market and very powerful.

As long as the canister is below water level, you have the choice whether you situate it beside or below your aquarium, just think about the vacuum effect that is required for constant filtration.

Whatever your aquarium setup, there are accessories available to customize this filter to meet your requirements. The Classic Filter is also an excellent choice if you are thinking of upgrading your aquarium in the future; just choose different accessories!

Whatever your aquarium setup and whatever your plans, you really can’t go wrong with the purchase of an EHEIM Classic External Canister Filter.

  • Made from the best materials
  • Designed with precise engineering
  • EHEIM has the experience and know what they are doing
  • Reliable performing filter
  • Long service life
  • Filter and accessories are tailored to fit each other
  • German precision!
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