FLUVAL U3 Internal Filter

FLUVAL U3 Internal Filter is a high-performance internal aquarium filter designed to deliver exceptional 3-stage filtration, enhanced water movement, and vital oxygenation for a healthier aquatic environment. Ideal for aquariums up to 110 litres, the U3 provides an excellent filtration solution when external filtration systems are not suitable or required.

Engineered for versatility, the Fluval U3 can be used as a primary filtration system in smaller aquariums or as supplementary filtration in larger tanks. Its flexible design allows for both horizontal and vertical installation, enabling you to create customised water flow patterns, improve circulation, and even add an attractive waterfall feature to your aquarium.

The filter features an adjustable 3-way flow control system, allowing you to tailor water movement to suit your aquarium's specific needs. Choose from the top output for increased circulation and oxygenation, the integrated spray bar for a gentle and even flow, or the bottom output for deep-water agitation and improved water quality throughout the tank.

• Advanced 3-stage filtration for superior water clarity and aquarium health
• Suitable for aquariums up to 110 litres
• Ideal as a primary filter for smaller tanks or a supplementary filter for larger aquariums
• Horizontal positioning option for shallow aquariums, low water level tanks, or decorative waterfall effects
• Vertical installation creates customised currents and enhanced water movement
• Adjustable 3-way flow control for tailored filtration performance
• Top output improves circulation and oxygenation
• Integrated spray bar delivers a gentle and consistent flow
• Bottom output provides effective deep-water agitation
• Convenient flip-top lid allows quick and easy access for cleaning and media replacement
• Includes BIOMAX biological media to support beneficial bacteria and biological filtration
• Suitable for freshwater, saltwater and reptile environments
• Made in Italy for reliable quality and long-lasting performance

What's Included:

• 2 Foam Pads
• 2 Poly/Carbon Cartridges
• BIOMAX Biological Rings

The FLUVAL U3 Internal Filter combines powerful filtration, flexible installation options, and easy maintenance to help maintain crystal-clear water and a balanced aquatic ecosystem. Whether you keep tropical fish, marine species, coldwater fish, or aquatic reptiles, this dependable internal filter delivers efficient performance and excellent water quality for your aquarium.