AQUANEAT Aquarium Bio Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank (Middle up to 20Gal)

These are pretty standard sponge filters. Operate and function like all others and work just as well. My only complaint is they use a smaller diameter tubing for the airline so they have an adapter at the ends to fit standard size. I would have preferred they just used standard-sized airline tubing because, after a few times of taking it on/off my gang valve, it started to leak air from the adapter. Other than that, GREAT for nano tanks, its very low profile, and is easy to hide.

This little filter is so cute and fit right in my sons betta bowl. This product will require you to get an air pump, but you can get if right off Amazon. I like it because it came with three to the pack I got so the extra tubing and parts I was able to attach it the way I wanted. It comes with a small knob to turn and control the bubbler. I got it to help filter, create surface tension, and bubble to produce more air for the little guy. Price was right, ease of assembly, there is no noise, and the quality of the little filter with definitely catch particles. I have had it now for a while and it is still doing its job.

I just set this up in my 1.8gal Beta tank the other day. So far it’s amazing! This little filter is everything and more, that I was looking for. As I said, I just set it up, so I’ll have to come back and let you know how it does on keeping the tank clean, and ease of cleaning the sponge filter. I have two more 3 piece sets in my cart, because I want to make sure that I always have this product (there are no replacement filters (and I don’t know how long each one will last), but at this price, I’ll just replace the entire thing when needed). I got the 3 piece for $8.88 and it comes with 3 complete sets.

floats at the top :( the base that it comes with is not heavy enough edit: i gave the sponge a few good squeezes while submerged in water to saturate it fully and it sank to the bottom!

These are super nice. I've never used a sponge filter like this before. I have oranda goldfish in the tank I'm using this in and they absolutely love it. Their tank no longer smells "fishy". I will definitely continue using these instead of the hanging filter for these guys. They love playing in the bubbles it makes too. Very nice.