The Fluval U2 Underwater Filter provides complete and efficient 3-stage filtration including
BioMax biological filtration to create superior aquarium water quality. The U2 Filter contains
practical and versatile features making it ideal for use in fresh marine and reptile
environments. The filter allows the flow output to be set in 3 different positions an
important benchmark in underwater filtration. The adjustable 3-way flow control feature lets
you position the water flow output to meet your specific needs. The Top Output setting provides
maximum circulation and oxygenation the Integrated Spray Bar setting provides a gentle even
flow for planted aquariums and the Bottom Output setting is for deep water agitation. The
filter also has a practical flip-top lid that allows quick and easy access to the filter
cartridge for maintenance or replacement. The filter can be installed vertically against the
aquarium wall to create currents or customized flow patterns it can be placed horizontally in
shallow water tanks or it can be used to create decorative features such as waterfalls. The U2
filter comes complete with 2 foam pads 2 poly carbon cartridges and BioMax biological rings.
The filter is suitable for aquariums from 45 to 110 L (12 to 30 US gal). Key features :
Provides complete and effective 3-stage filtration including BioMax biological filtration to
create superior aquarium water quality For fresh marine and reptile environments Adjustable
3-way flow control function lets you position the water flow output to meet your specific needs
Top Output setting provides maximum circulation and oxygenation Integrated spray bar setting
provides a gentle even flow for planted aquariums The bottom output setting is for deep water
agitation Practical flip-top lid provides quick and easy access to the filter cartridge for
maintenance or replacement Can also be placed horizontally in shallow water tanks or to create
decorative features such as waterfalls Can be installed vertically against the aquarium wall to
create currents or customized flow patterns Comes with 2 foam pads 2 poly carbon cartridges
and BioMax biological rings Suitable for aquariums from 45 to 110 L