Fluval FX4, Canister Filter

The Fluval FX4 Canister Filter is a high-performance filtration system designed for aquariums up to 250 gallons, offering efficient multi-stage filtration and user-friendly features.

At-a-glance: Suitable for tanks up to 250 gallons · Pumps 700 GPH · Smart Pump™ technology · Self-starting · Includes all filter media

Great for: - Large freshwater aquariums requiring robust filtration to maintain water clarity. - Saltwater tanks needing efficient removal of debris and impurities. - Aquarists seeking a low-maintenance, high-capacity filter system.

Key Features

• Multi-stage filter pumps out 700 gallons (2650 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

• Easy water changes eliminate need to lift heavy buckets

• Removable, stackable media baskets eliminate water bypass and hold a total of 1 gallon (3.9 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

• Utility Valve with drain hose for easy maintenance and flushing of canister

• Rubberized feet help ensure quiet operation

• Compact 16.5″ tall design – easily fits under most aquariums

• For use in freshwater and saltwater aquariumsc

Specifications

• Aquarium Capacity: 250 US Gal / 1000 L

• Pump Output (120 V / 60 Hz): 700 US GPH / 2650 LPH

• Filter Circulation (120 V / 60 Hz): 450 US GPH / 1700 LPH

• Max. Head Pressure: 6.9 ft / 2.1 m

• Wattage (120 V / 60 Hz): 30W

• Wattage (230-240 V / 50 Hz): 30W

• Mechanical Area: 217 in² / 1400 cm²

• Biological Volume: 1 US Gal / 3.9 L

• Canister Volume: 3.7 US Gal / 14 L

• Dimensions: 15.75″ L x 15.75″ W x 16.5″ H / 40 x 40 x 42 cm

How to Use

1. Fill the canister about halfway with water before starting the filter.

2. Plug in the filter; the Smart Pump™ will initiate the priming sequence.

3. To perform water changes, attach hosing to the output (kit sold separately), and the Smart Pump™ will handle the rest.