The Fluval Fx6 External Filter is a high performance aquarium canister filter. The very latest design from Fluval offering super quiet operation. The FX6 compact super capacity canister processes and circulates 3500 litres of water every hour and accommodates the stack of media baskets with a capacity of up to 5.9 litres of media! The combination of precision engineered baskets eliminate any water by-pass. Designed at a height of only 54cm (21in), the FX6 fits under most aquariums. The filter incorporates Smart Pump technology which employs and electronic circuit board to monitor the pump ensuring powerful output and energy efficiency. This filter consumes 10% less electricity than its predecessor the FX5. AquaStop valves feature click fit technology for fast set up and leak proof maintenance. The valves rotate for easy positioning. The filter is self-starting. The heavy duty anti-clog telescopic intake ensures continuous flow and the twin return outlets can be adjusted to create specific water flows. There is a bottom purge valve for easy maintenance and flushing of the canister. All media is included. For aquariums up to 1500 litres. Key Features: - Multi-Stage Filtration produces healthy aquarium water - For fresh and saltwater aquariums - Features Smart Pump Technology for optimal filter performance, efficiency and management - Advanced motor technology provides better performance and reliability while consuming 10% less electricity - Click-Fit AquaStop Valves allow fast setup and leak-proof maintenance - Valves are positioned at 45 degree angles and rotate for easy installation - Self-starting filter-just add water and plug in- Smart Pump Technology will do the rest - Monthly maintenance indicator allows you to remember the date of your last filter maintenance/water change - Heavy-duty Anti-Clog Telescopic Strainer ensures continuous flow - Multi-Directional Output Nozzles can be adjusted to create specific water flows - Purge Valve with Drain Hose for easy maintenance and flushing of the canister - Water change feature eliminates need to carry buckets of water-simply attach appropriate hose to the output-Smart Pump Technology will do the rest (Kit sold separately) - Flow rate: 2130 litres (563 US gallons) per hour - For aquariums up to 1500 litres (400 US gallons)