Fluval U4 Underwater Filter 1000LPH Aquariums 130-240L

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. *Designed for aquarium up to 65 gallons *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 environment