Fluval U Series Underwater Filter Size:U3 Hand-crafted to resemble a weathered

Hand-crafted to resemble a weathered tree stump

moisture-retentive substrate

- Ability to precisely set when day & night modes start

- 80% more UVB than equivalent length T8 lamp (un-reflected)

Fluval U Series Underwater Filter Size:U3 Hand-crafted to resemble a weatheredFluval Underwater Filter provides efficient filtration to create superior aquarium water quality. The U Filter includes practical and versatile features, making it ideal for application in fresh, marine and reptile environments. It has a convenient flip top lid that allows quick and easy access to the filter cartridge for maintenance or replacement. In addition, the filter can be installed vertically against the aquarium wall to create currents or