Fluval U3 Underwater Filter, Freshwater and Saltwater Aquarium Filter, A475
- Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums.
- Sleek design with easy grip water control panel and redesigned media cartridge to trap more debris.
- Convenient flip-top lid allows for quick and easy access to filter cartridge for maintenance or replacement.
- Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature or vertically against aquarium wall to create currents or customized flow patterns.
- Designed for freshwater, saltwater and reptile environments up to 40 gallons.