Description Internal Filters are an excellent option for small to medium sized aquaria. They are simple and easy to set up, they sit just inside the aquarium itself meaning they can be easily installed into any fish tank, with no troublesome pipes and hoses. They will also work well as a powerhead for water circulation, with the added bonus of the extra filtration. It is worth noting that you should clean your filters impellor every couple of weeks to ensure it is functioning normally and keeping the water moving around the tank. U series underwater filters offer superior water purification, movement and aeration capabilities and have been designed for use in both fresh and saltwater applications. Key Features: 3 Stage FiltrationFluval U Underwater Filter provides complete and efficient 3-stage filtration to create superior aquarium water quality. All models come with a Bio-Foam filter pad to remove large particles. The larger 2 sizes also include a Poly-Carb pad to assist with removal of fine particles, chemicals and odours. They also have the addition of Biomax filter nodes to assist with biological filtration. Adjustable 3-Way FlowThe adjustable 3-way flow control feature lets you position the water flow output to meet your specific needs. The Top Output setting provides maximum circulation and oxygenation, the Integrated Spray Bar setting provides a gentle, even flow for planted aquariums, and the Bottom Output setting is for deepwater agitation. Quick Flip Top MaintenanceThe filter also has a convenient flip-top lid that allows quick and easy access to the filter cartridge for maintenance or replacement. This enables easy removal of the filter media for maintenance without having to remove the whole unit from the tank. Technical Specifications: U1 U2 U3 U4 Aquarium Volume 55 L 45 to 110 L 90 to 150 L 130 to 240 L Flow Rate 250 L/H 400 L/H 600 L/H 1000 L/H Power 5 W 5 W 6 W 12 W Product Dimensions 10 x 8 x 15 cm 20 x 9 x 10 cm 26.7 x 8.3 x 10 cm 33 x 10 x 11 cm Product Highlights Fluval U1 Filter, for aquariums up 55 L Fluval U2 Filter, for aquariums from 45 to 110 L Fluval U3 Filter, for aquariums from 90 to 150 L Fluval U4 Filter, for aquariums from 130 to 240 L For fresh and saltwater aquariums Adjustable 3 way flow Quick flip top maintenance Unique 3-stage filtration This product comes with a 3-year warranty.
