Fluval FX4 External Filter

Brand new on the market this FX4 makes sure you can expect FX's legendary mix of power and efficiency that lets you spend more time enjoying your aquarium and less time maintaining it.

FX4 Features a Smart Pump capable of 2650 L (700 US Gal) of water per hour with advanced microchip technology that continuously monitors and optimizes pump performanceSelf-starting - just add water, plug in and Smart Pump™ will take over. Trapped air is auto-evacuated every 12 hours to ensure maximum efficiency.

Removable, stackable media baskets eliminate water bypass and hold a total of 3.9 L (1 US Gal) of media which is all included.Multi-directional output nozzles can be fully adjusted to create customized water flows and its utility Valve with drain hose makes for easy maintenance and flushing of canister.
FX4 is compact measuring 41.9 cm (16.5 in) in height which easily fits under most aquariums.
For use in freshwater and saltwater aquariums