AQUAEL FZN PRO 400 – Ultra-Silent Hang-On Filter for Aquariums up to 75 L

The AQUAEL FZN PRO 400 is a modern cascade (hang-on-back) aquarium filter designed for quiet, reliable and efficient filtration in small aquariums up to 75 liters.

Its fully submerged motor ensures extremely low noise levels of around 31 dB, making it virtually silent and ideal for living rooms, bedrooms and office environments.

The filter requires no priming and starts automatically when plugged in. After power outages, it restarts on its own, ensuring continuous filtration without user intervention.

The adjustable intake tube and flow control knob allow precise regulation of water level and circulation. The modular filter chamber accepts both cartridges and loose filter media, offering full flexibility depending on your setup.

Thanks to its easy-access lid and removable media container, maintenance is fast and hassle-free.

Key features

• Ultra-quiet operation (~31 dB)
• Fully submerged motor
• No priming required
• Automatic restart after power outages
• Adjustable flow rate
• Height-adjustable intake tube
• Modular media chamber
• Vibration-dampening rubber elements
• Corrosion-resistant construction

Technical specifications

• Recommended aquarium size: 10–75 L
• Flow rate: 320 l/h
• Power consumption: 4.5 W
• Noise level: ~31 dB
• Number of baskets: 1
• Dimensions (L×W×H): 12.7 × 12.8 × 16 cm
• Suitable for: Freshwater & marine aquariums
• Warranty: 2 years

FAQ

Is the filter really silent?

Yes. The fully submerged motor keeps noise levels at approximately 31 dB.

Does it need manual priming?

No. The filter starts automatically when powered on.

Will it restart after a power outage?

Yes. The FZN PRO 400 restarts automatically.

Can I use custom filter media?

Yes. The modular chamber accepts both cartridges and loose filter materials.

Is it suitable for marine aquariums?

Yes. It can be used in both freshwater and marine setups.