Fluval U Series Internal Filters

The Fluval U series filters offer outstanding 3-stage filtration with Biomax, for increased water quality, movement and vital aeration.  These filters are ideal for when external filtration can’t be used.

Fluval U filters can be used as a primary filter for smaller aquariums or a supplementary filter for larger aquariums. They can be positioned either horizontally or vertically to suit your aquarium.

In addition to the position adjustment the Fluval U2, U3 and U4 have an adjustable 3 way flow control to position the flow to suit your needs.  The top output for circulation and oxygenation, a spray bar for a gentle even flow and bottom output for deepwater agitation. The Fluval U range really is a fantastic option for your tank.

Suitable for Freshwater, Saltwater and Reptile environments.

Biomax biological media included.

Capacities

Fluval U1 - UP TO 55 L (15 US GAL)

Fluval U2 - 45-110 L (12-30 US GAL)

Fluval U3 - 90-150 L (24-40 US GAL)

Fluval U4 - 130-240 L (34-65 US GAL)