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. Features Designed for aquariums up to 65 US Gal / 110 L 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 environments What’s Included 2 Foam Pads 2 Poly/Carbon Cartridges BIOMAX Biological Rings Other sizes available : A465 Fluval U1 Underwater Filter, for aquariums up 55 L (15 US gal) A470 Fluval U2 Underwater Filter, for aquariums from 45 to 110 L (12 to 30 US gal) A480 Fluval U4 Underwater Filter, for aquariums from 130 to 240 L (34 to 65 US gal)
