Fluval U3 Underwater Filter Poly/Carbon

These allways work.

My fish tank

Ive used several different filter systems on my various aquariums. I love this underwater one the most. No constant running water. It keeps the tank clean and the filter elements last a long time.

This filter works awesome

great product

Water flow is great again. Thanks for the new filter. I tried cleaning the old filter several times but still doesnt work good.

It works as its supposed to be

As expected

Definitely a need if you own a Fluval U3 Filter.

Works