Fluval U4 Underwater Filter
Offering outstanding 3-stage filtration, increased water movement and vital aeration, Fluval U-Series internal filters are the perfect solution where external filtration is not possible.
Features
- Designed for aquariums up to 65 US Gal / 110 L
- Use as a primary filter for smaller aquariums, or supplementary filter for larger aquariums
- Position horizontally for shallow tanks, larger tanks with low water levels, or to create a decorative waterfall feature
- Position vertically against aquarium wall to create currents or customized flow patterns
- Convenient flip-top lid allows for quick and easy access to filter cartridge for maintenance or replacement
- Adjustable 3-way flow control
- Top Output for circulation and oxygenation, Integrated Spray Bar for a gentle even flow, and Bottom Output for deepwater agitation
- BIOMAX biological media included
- Made in Italy
- Ideal for freshwater, saltwater and reptile environments
What’s Included
- 2 Foam Pads
- 2 Poly/Carbon Cartridges
- BIOMAX Biological Rings
Other sizes available :
- A465 Fluval U1 Underwater Filter, for aquariums up 55 L (15 US gal)
- A470 Fluval U2 Underwater Filter, for aquariums from 45 to 110 L (12 to 30 US gal)
- A480 Fluval U4 Underwater Filter, for aquariums from 130 to 240 L (34 to 65 US gal)