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U4 Underwater Filter - Fluval

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!  
  • New sleek design
  • New easy grip water control paddle
  • New redesigned media cartridge – Traps more debris
  • Designed for aquariums up to 240 L (65 US Gal)
  • 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
  • Ideal for freshwater, saltwater and reptile environments
  • Warranty for 3 year limit
  • Wattage: 120V/60HZ - 12W and 230-240V/50HZ - 10W
  • Output: 1000L (260 Gal)
  • Dimensions (L x W x H): 11 x 10 x 33 cm (4.5 x 4 x 13 in)

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