Tl;dr- if you need a cheap, quiet, and good filter for a small tank, this is it chief. It's quiet and cleans the tank nicely. Raised the mounted height to add a little air turbulence. This is much better than the other one which claimed to be quiet bu...  Read More

Excellent product easy to install. Plenty of room in the case for additional media if desired.

This filter is fantastic for pretty much any tank under 8ish gallons. In the 3 gallon beta tank, it is flawless. It's not too strong for a betta which is nice. They are able to swim freely and comfortably.

The flow is fantastic, keeps the water extremely clean. I have a filter sponge behind the filter cartridges so it cleans double. It clears the water quickly and keeps it clear.

The cover pops off and repeatedly falls into the water. The suction cups can't be pushed back in. There are black and brown bacterial or fungal blooms popping up here and there. Take my advice and just flush 9.