Fluval FX2 High Performance Canister Filter
Designed for aquariums up to 175 US Gal / 750 L, the All-New FX2 filter packs high-level performance into the series’ most space-saving and affordable design to date.
Key Features
- Multi-stage filter pumps out 475 US Gal / 1800 L of water per hour
- Smart Pump – advanced microchip technology continuously monitors and optimizes pump performance
- Self-starting: Just add water, plug in and Smart Pump will take over
- Trapped air auto-evacuated every 12 hours to ensure maximum efficiency
- Removable, stackable media baskets eliminate water bypass and hold a total of 1 US Gal / 3.9 L of media
- All filter media included – mechanical, chemical, and biological media
| Specification | Value |
|---|---|
| Water Flow Rate | 475 US Gal / 1800 L per hour |
| Compatible Aquarium Size | Up to 175 US Gal / 750 L |
| Media Capacity | 1 US Gal / 3.9 L |
| Auto Air Evacuation | Every 12 hours |
FAQ
Does the FX2 filter require any maintenance or cleaning?
Yes, the media baskets should be cleaned or replaced every 4 to 6 weeks depending on tank conditions. The filter is designed for easy removal and cleaning of media.
Can the FX2 filter be used with both freshwater and saltwater aquariums?
The FX2 is designed for freshwater aquariums only. It is not suitable for saltwater systems.
Is the Smart Pump technology energy-efficient?
The Smart Pump uses advanced microchip technology to monitor and adjust performance, which helps maintain efficiency without excessive energy use.




Natalie Davies –
The FX2 has been running smoothly in my 120-gallon tank for three months. The self-starting feature is convenient, and the water flow is strong enough to keep the tank clean. The media baskets are easy to remove and clean. No issues with clogging or noise.
Angela Underwood –
I was impressed by the space-saving design. It fits well in my compact tank setup. The smart pump adjusts automatically, and I haven’t had to manually check the filter since setup. Just a small improvement in media capacity would be nice.
Connor Glover –
Great performance for the price. The filter handles my fish population well and maintains water clarity. The auto-evacuation of trapped air is a nice touch. I’ve used it in a 150-gallon tank with live plants and it works perfectly.