Introduction
The HAILEA Silent Air Pump is designed to provide efficient and ultra-quiet aeration for aquariums. Featuring advanced noise-reduction technology, it maintains a calm environment for both home and office setups while ensuring reliable oxygenation.
Key Features
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Advanced Noise Reduction: Multi-stage noise control and shock-absorbing components keep noise levels below 40dB.
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Energy Efficient: Low power consumption ranging from 2W to 6.5W depending on the model, without sacrificing performance.
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Consistent Airflow: Synthetic rubber components maintain stable gas volume and pressure for reliable aeration.
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Versatile Models: Available in single or double outlet versions with controllable airflow to match different aquarium sizes.
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Compact Design: Space-saving structure allows easy placement and integration into any aquarium setup.
Usage Guidelines
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Installation: Place the pump above water level to prevent backflow.
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Connection: Attach airline tubing to the outlet(s) and connect to air stones or sponge filters.
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Operation: Turn on the pump and ensure it is securely connected.
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Maintenance: Regularly clean the pump, tubing, and connected devices to prevent blockages.
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Safety: Keep the pump dry and ensure all electrical connections are secure.
Available Sizes
- ACO-5501: Single outlet, 1.3 L/min airflow, 2 W power, <40 dB noise.
- ACO-5503: Double outlet, 3.5 L/min airflow, 4 W power, <40 dB noise.
- ACO-5504: Double outlet, 4.5 L/min airflow, 5.5 W power, <42 dB noise.
- ACO-5505: Double outlet, 5.5 L/min airflow, 6.5 W power, <45 dB noise.
Recommendations
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Small to Medium Aquariums: ACO-5501 and ACO-5503 provide suitable aeration for tanks up to 100 liters.
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Larger Aquariums: ACO-5505 is ideal for tanks up to 200 liters requiring higher airflow.
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Planted Tanks: Enhances CO₂ exchange to support healthy plant growth.
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Betta Tanks: Offers gentle aeration without disturbing the water surface.




