Nano Tank Hang on Back Filter

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  • Flow Control Knob Feature
  • Excellent for Small Aquariums Under 10 Gallons
  • Great Betta Tank Filter

This nano hang on back filter is excellent for aquariums up to 10 gallons. It moves 52 gallons per hour and has an adjustable flow knob for fish who need lower flow such as bettas. It comes fully equipped with media and an intake sponge. However, upgrading to our mini pre filter sponge is ideal as it will offer greater coverage of the intake tube including the bottom. Hot rod this filter by adding coarse sponge to the media portion rather than the provided cartridges.

Customer Reviews

Based on 96 reviews
Max G. (Dallas, TX, US)
Great little filter

Replaced a failing Azoo filter with this one. This one is quieter, produces a little stronger flow, and the media chamber is a bit larger (making it possible to “hot rod” it, as Cory says).

James D. (Cumberland, MD, US)
Love this little guy

I have it on a heavily planted 10 gallon tank. I removed the carbon insert and replaced it with filter floss. I have to clean it once a week but it does a great job at keeping the water super clear.

Jason C. (Middletown, NY, US)

This little filter was exactly what was needed for my 5.5G, needed a little filter with good flow and this was it! Perfect nano filter for the price

Barbara S. (Barnegat, NJ, US)
Nano hang on back filter

Great filter! Quiet and small to fit almost anywhere. Very powerful and I LOVE that you can control the water flow. Recommend.

Eric R. (Burlington, VT, US)
Great little HOB

These things last a decent amount of time, especially considering the price. Good flow, easy to adjust, very quiet. You do have to keep the water level high to use it, and it's a tight fit if you have a plastic rimmed aqueon tank. The prefilter sponge it comes with is garbage, so either make your own or pickup one from Aquarium Coop. However, the Aquarium Coop sponges are a little too big to fit snugly, so I have to slide rubber bands around the plastic intake tube to keep the sponge from slipping off.