Fluval U4 Submersible Filter, for aquariums from 130 to 240 L (34 to 65 US Gal)

The Fluval U4 submersible filter provides comprehensive and efficient three-stage filtration and uses BIOMAX filter media to achieve exceptional water quality.

The U4 filter includes many practical and versatile features that make this device indispensable for freshwater or saltwater aquariums, as well as for terrariums.

Featuring three water outlet positioning settings, the U4 filter is a benchmark in the field of submersible filtration systems. The adjustable three-way flow regulator allows you to position the water outlet to meet your specific needs.

The top outlet provides maximum circulation and oxygenation, the integrated diffuser tube ensures a constant and gentle flow for planted aquariums, and the bottom outlet produces deep water agitation.

The FlipTop lid provides easy and quick access to the filter pads for maintenance. In addition, the filter can be mounted vertically against the side of an aquarium to create custom currents, horizontally for shallow ponds, or to create decorative waterfalls.

The U4 filter includes two foam blocks, two polyester/carbon cartridges, and BIOMAX biological cylinders. This filter is suitable for aquariums with a capacity of 130 to 240 L (34 to 65 US gal).

Key Features:

• Comprehensive and efficient three-stage filtration using BIOMAX filter media for exceptional water quality;
• For use with freshwater or saltwater aquariums and terrariums;
• Adjustable three-way flow regulator allows you to position the water outlet to meet specific needs;
• Top outlet for maximum circulation and oxygenation;
• Integrated diffuser tube ensures a constant and gentle flow for planted aquariums;
• Bottom outlet produces deep water agitation;
• FlipTop lid provides easy and quick access to the filter pads for maintenance;
• Filter can be mounted horizontally for shallow ponds or to create decorative waterfalls;
• Can be installed vertically against the side of an aquarium to create custom currents;
• Two foam blocks, two polyester/carbon cartridges, and BIOMAX biological cylinders included;
• Filter suitable for aquariums with a capacity of 130 to 240 L (34 to 65 US gal).

Flow rate:

1,000 L (260 US gal)

Power:

12 W

Other Fluval U Series Submersible Filters:

• Fluval U1 Submersible Filter, for aquariums up to 55 L (15 US gal) (A465)
• Fluval U2 Submersible Filter, for aquariums from 45 to 110 L (12 to 30 US gal) (A470)
• Fluval U3 Submersible Filter, for aquariums from 90 to 150 L (24 to 40 US gal) (A475)