The Fluval 406 External Canister Filter improves on the success of their awesome 405 model and adds many additional benefits including better filter performance and easier setup, priming, and cleaning. The 406 also has lower maintenance requirements and quieter operation than the 405.
The Fluval 406 is part of their 06 series line that includes the 106, 206 and 306. The 406 is the big boy of the bunch, and it can handle aquariums up to 100 gallons without breaking a sweat.
It also has an amazing flow rate of 383 gph (1450 l/h), so you know your water is going to be clear.