The Fluval U Series are underwater filters that offers 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. 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. Now with new and improved design features!

Specifications:

• Designed for aquariums up to 55 L (15 US Gal)
• New redesigned media cartridge – Traps more debris
• 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
• Ideal for freshwater, saltwater and reptile environments