Fluval FX4 Canister Filter 2650 LPH

Introduction

The Fluval FX4 Canister Filter is a high-performance, multi-stage filtration system designed for large aquariums up to 250 US gallons (1000 L). With a powerful 2650 L/H flow rate, it efficiently removes debris, toxins, and waste, keeping water crystal clear. Suitable for both freshwater and saltwater setups, the FX4 combines advanced filtration technology with energy efficiency and easy maintenance.

Features

• High Flow Rate: Pumps 2650 L/H (700 US gallons per hour) for large aquariums.

• Smart Pump™ Technology: Monitors and optimizes performance automatically.

• Self-Starting Pump: Simply add water and plug in; automatically evacuates trapped air every 12 hours.

• Easy Water Changes: Connect a hose to the output (kit sold separately), with Smart Pump™ handling the rest.

• Removable Media Baskets: Stackable baskets prevent bypass and hold 3.9 L of filter media.

• Included Media: Comes with mechanical, chemical, and biological filter media.

• Aqua-Stop Valves: Leak-proof Click-Fit system with 45° angled valves for easy installation and rotation.

• Anti-Clog Telescopic Strainer: Ensures uninterrupted water flow.

• Customizable Flow: Multi-directional output nozzles.

• Utility Valve & Drain Hose: Simplifies maintenance and flushing.

• Quiet Operation: Rubberized feet reduce vibration and noise.

• Compact Design: 16.5″ footprint fits under most aquariums.

Usage

1. Installation: Position the FX4 below your aquarium, connect inlet and outlet hoses, fill the canister with water, and plug in. The self-priming pump starts automatically.

2. Maintenance: Clean filter media every 4–6 weeks and replace chemical media regularly. Use the drain valve for easier water changes.

3. Performance Monitoring: Regularly check water clarity, flow rate, and inspect seals and tubing for wear.

What’s Included

• Rubber hosing, rim connectors, clips, and suction cups

• Intake stem and output nozzle

• Lid fasteners, filter canister, and utility valve with hosing

• Drain cap, pump unit (motor) with power cord

• Rubber feet, media baskets, ½ media baskets

• Filter lid and accessories

Recommendations

The Fluval FX4 Canister Filter is ideal for large freshwater and saltwater aquariums, including planted, cichlid, and marine reef tanks. Its high flow rate and customizable filtration make it perfect for aquariums with large fish or high bioloads. For even larger setups, consider the Fluval FX6 for additional capacity. Pair with Fluval Biological Enhancers for optimal water quality and healthy beneficial bacteria.