Designed for aquariums up to 400 gallons, FX6 is the high-capacity workhorse of Fluval's canister lineup, enhanced with all the power and reliability you've come to expect from a high-performance filter.

Key Features :

• Multi-stage filter pumps out an astounding 925 gallons (3500 L) of water per hour
• Improved motor technology provides better performance while consuming 10% less electricity than previous generation 
• Smart Pump^TM - advanced microchip technology continuously monitors and optimizes pump performance 
• Self-starting - just add water, plug in and Smart Pump^TM will take over. Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
• Easy water changes eliminate need to carry heavy buckets. Simply attach hosing to output (Kit sold separately) and Smart Pump^TM does the rest
• Removable, stackable media baskets eliminate water bypass and hold a total of 1.5 gallons (5.9 L) of media
• All filter media included - mechanical, chemical and biological
• Aqua-Stop valves with leak-proof Click-Fit attachment system
• Valves positioned at convenient 45-degree angle for easy installation and rotation
• Anti-clog, telescopic strainer ensures continuous water flow
• Multi-Directional Output nozzles can be fully adjusted to create customized water flows
• Purge Valve with drain hose for easy maintenance and flushing of canister
• Rubberized feet help ensure quiet operation 
• 21in tall design - easily fits under most aquariums
• Made in Italy 
• For use in freshwater and saltwater aquariums