Fluval Underwater Filter U4 (130-240L)

Fluval Underwater Filter U3 (90-150L)

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. Complete and efficient 3-stage filtration, including BIOMAX biological filtering Ideal for fresh, marine and reptile environments.  Now with new and improved design features! 

Specifications:

• Designed for aquariums up to 150L - 240L (65 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
• 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

Tech specifications:

• Wattage: 120V/60HZ – 7.5 W AND 230-240V/50HZ – 6 W
• Output: 600 L (1055US GAL)
• Dimensions (L x W x H): 10 X 8.3 X 26.5 CM (4 X 3.25 X 10.5 IN)