Fluval FX4 High Performance Canister Filter
The Fluval FX4 is a powerful, mid-size canister filter in the FX Series lineupoffering professional-grade filtration for aquariums up to 250 gallons. Compact yet extremely efficient, the FX4 delivers exceptional mechanical, chemical, and biological filtration thanks to its large media capacity and Smart Pump self-monitoring system.
Perfect for heavily stocked tanks, cichlid setups, planted tanks, and marine aquariums needing superior water clarity and strong flow.
Multi-Stage Filtration Smart Pump Technology For Aquariums up to 250 Gallons
Key Features
💨 High Flow Rate ~700 GPH for excellent circulation
🔁 Multi-Stage Filtration with large media baskets
🧠 Smart Pump Technology automatically optimizes performance
🔧 Self-Priming Start-Up No manual siphoning required
🧼 Easy Maintenance Utility valve makes draining simple
🔇 Quiet & Powerful Engineered for low-noise operation
⚙️ FX-Series Durability Rugged canister construction built to last
Freshwater & Marine Compatible
⚙️ Product Details
- Brand: Fluval
- Model: FX4
- Flow Rate: ~700 GPH
- Aquarium Size: Up to 250 gallons
- Filtration Stages: Mechanical Biological Chemical
- Included Media: Foam pads, Bio-Foam, Bio-Max rings
- Dimensions: Compact FX-series footprint
- Use: Freshwater & Saltwater
💡 Ideal For
- African & South American cichlids
- Heavily stocked community tanks
- Planted aquariums needing high turnover
- Goldfish aquariums
- Saltwater FOWLR & reef tanks
- Hobbyists who want FX6 power but in a smaller size
❓ FAQ
Q: What size tank is the FX4 best for?
A: Tanks between 125250 gallons perform best with the FX4.
Q: Does the FX4 include filter media?
A: Yescomes fully loaded with mechanical and biological media.
Q: How often do I need to clean it?
A: Typically every 12 months, depending on bioload.
Q: Is it quiet?
A: VerySmart Pump monitors and reduces vibration/noise.
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Fantastic, super quiet
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