Eheim Pro Wet / Dry Canister Filter 2227

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This item has been discontinued.


As an external filter, the Eheim Professionel Wet/Dry Filter is the first filter to offer the perfect technology of a "breathing" alternating contact with the filter medium. The bacteria colonies are rhythmically flushed and aerated. This creates ideal conditions for considerably accelerated decomposition of almost all solved pollutants.

The Eheim Professionel wet/dry filters offer efficiency surpassing that of a tricle filter. The water movement within the filter is bi-directional allowing for extended contact time between bacteria cononies, oxygen and toxinx, which are thus decomposed much more rapidly than in a traditional filter.

  • Faster decomposition of pollutants than with conventional pot filters: ammonium by 73%, nitrite by 67% faster.
  • Exchange of oxygen and CO2 is accomplished by means of displacement through the specially designed breathing tube.
  • The water output pulsates as the filter fills and empites, acheiving a wavelike action.
  • Integrated interval control for reliable operation.
  • Oxygen-rich water in constant quality.
  • Only filtered water is released into circulation.
  • 2 year warranty


Eheim Professionel Wet/Dry Filter 2227 with EHFISUBSRAT 4L:

  • Aquarium Size: 92 gal
  • Filter Volume: 1.3 gal
  • Pump Output: 277 gph
  • Weight: 13 lbs
  • Power Consumption: 25 W
  • Dimensions: 12"x9"x14"

How to start the Siphon on the Professional Wet/Dry Models 2227, 2327, 2229, 2329
When first setting up your filter, NEVER fill the canister up with water.  Rinse the Ehfisubstrat and put the media baskets in, close up the canister with NO water in it. Open the tap connector of the intake pipe (IN) and apply suction briefly at the breather pipe. The filter will automatically fill up with water.  After it finishes filling, open the tap connector of the outlet pipe (OUT) and proceed to plug the unit into an electrical outlet.  The filter will automatically start up.

When you need to service the filter, wait until it starts draining, shut off the tap connector of the intake pipe (IN), wait until the canister empties of all it`s water and the flow in the outlet pipe stops.  Proceed to shut off the tap connector of the outlet pipe (OUT) and then unplug it from the electrical outlet. By doing this, you preserve the siphon in the tubing, don`t have to carry around a canister full of water and wont make the mistake of leaving water in the canister.

NOTE: If all the above steps have been followed and the filter is making noise but has not started up, close both tap connectors unplug the unit from the electrical outlet and lift the double tap connector unit  up, this will drain the water out of the breather tube.  Close and lock the double tap connector unit back onto the canister.  Open both the intake (IN)  and outlet pipe  (OUT) tap connectors plug it back into electrical outlet.

Product Manuals & Documentation

Eheim Pro Wet / Dry Canister Filter 2227

Owner's Manual available for download in Adobe PDF file format

Manufacturer Info

Eheim Aquarium Supplies
Eheim is one of the most well known and respected brands in the aquarium industry. Their reputation for producing high quality equipment at affordable prices goes back decades. The brand has a loyal following due in large part to Eheim’s reputation for producing reliable, efficient products. The company develops products that recreate the natural habitats of aquatic animals on a smaller scale. In our store you’ll find a variety of Eheim water pumps, filters, filter media, powerheads and feeding tools.


2 year warranty

11 Reviews



Experience Level: Intermediate

Embarrasing to Eheim

Once you go through the pain of getting this filter primed and running you have to pray the wet dry load and unload float continues to operate. I have had this filter for a few years and I am giving up and buying a smaller wet/dry conventional sump type.

2 out of 3 found this review helpful

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Disappointed from ST LOUIS, MO UNITED STATES


Experience Level: Intermediate

Poor value

The wet-dry feature is unreliable, and works less than half the time. It also leaks. When it works, it's OK, but the downtime is unacceptable. I expect more from Eheim. This is a poor value.

5 out of 5 found this review helpful

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Experience Level: Intermediate

ehiem wet and dry

Special circumstances on this purchase. My filter was damaged in shipment. I called to report and order a mew filter. I ended up choosing the Rena XP4 CANISTER FILTER.A very hard decision but I was needing extra filter features eventually and didn't want to clutter up the tank etc. I love Ehiem brand items. I do have a few details that governed my decision to change my mind.the bright green signature tubing that was to show up in the tank with Eheim name on it and fittings not there to allow different angles for the spray bar or any neck over into the tank. I did run into that problem while placing intake and inlet hoodups. Then I discovered the damage to the canister and had to disassemble and return. Love the concept but the I wanted all hookups etc to not show as much as possible in the tank. Just my opinion and the final cosmetic color of hoses and fittings swayed my decision. Thanks and no offense. Ehiem is great but more than one person were major fans of Rena. Dianne Pope

1 out of 3 found this review helpful

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Experience Level: Expert

Great product!

Totally awesome stuff! You may need to get one ! Also, the customer service at MarineDepot.com is amazing! Big thanks to Mark and all the people at MarineDepot.com!

0 out of 5 found this review helpful

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Experience Level: Intermediate

Set-up with ease!

I bought the Eheim 2227 for use in my new 75 gallon bow front salt water aquarium. I wanted a wet dry filter but did not want to spend the money or do I have the space for the standard wet dry system. The 2227 was the perfect answer. It was easy to set-up and it takes up very little space. It also is very quiet - you almost cannot hear it. I would recommend this product to anyone!

7 out of 7 found this review helpful

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Experience Level: Beginner



1 out of 1 found this review helpful

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Experience Level: Intermediate

Great Filter.

Wonderful Filter, Easy to set up.Wave action is an added bonus.

1 out of 1 found this review helpful

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Dr. C from


Experience Level: Expert

A Gill of Fresh Air

This product serves as part 3 of my intentionally "over filtered" 210 gal setup. The other parts are a regular Eheim Pro II Canister filter and an AquaClear over the back pouring filter. Whenever I take this Wet/Dry filter down for substrate rinsing, my fish (6 very large oscars) almost immediately begin to gasp for air at the water surface. When I power the Wet/Dry back up, they in under a minute begin to swim mid-tank again doing what us aquarium hobbyists like to have them do most --live healthily and display well. This filter comes fully loaded with everything you need (substrate & hoses) included. Setup is easy. The water dwells in the canister for a good while before ejecting in continuous waves into the tank. It has a third hose that pre-mixes air into each wave release. Brilliant design. Once set up, this filter does NOT need to be primed with water for restart of service so long as there is water remaining in the fast release hoses and their terminals are submerged (i.e. you will not get a backflow of water without submerged terminals). So if you are simultaneously doing a water change, refill the tank FIRST before reconnecting and restating the Wet/Dry. This advice probably applies to all canister filters. My ammonia, nitrite, and nitrate numbers are all well within safe ranges whenever I test. "Overfiltering" is costly, both money-wise and maintenence time-wise, but it is the only way to guarantee healthy water and long-lived healthy fish; and happy humans you co-habitate with by eliminating ALL tank odors COMPLETELY and having something they can enjoy watching with you. I watched my brother work with his 30gal tanks when I was a kid. I remember most their stink and a lot of fish loss due to the cheap inefficient filters of the era, but at times he'd get an odor-free heahtly set-up that was fascinating to watch. Don't forget the next gen inspiration aspect of what we do!

75 out of 85 found this review helpful

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Reefnut from

Well worth the money

Little maintenance. Simple to set up . It needs priming .Does the job great. Quite.

15 out of 16 found this review helpful

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It's a dream...I love it!

A trickle fliter that doesnt require an eloborate sump set up. Easy set up, very easy to maintain. Quiet..only a faint trickle sound when it fills. The wave action is great..my corals and fish love it!!

27 out of 29 found this review helpful

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