Electromagnetic linear motor with high efficiency. Low energy, oil-free air compressor for smooth operation with SF3 composite bearings for low noise and long life. Instructions to Use: Ensure correct installation according to power requirements, must be earthed. To avoid water flowing back, the machine must be above water level. Keep protected from rain and sunlight. Do not cover the pump (to ensure proper ventilation and cooling). Clean filter sponge regularly in order to guarantee pure air output.

Boyu Air Pump is suitable for high-density aqua-culture, for adding oxygen to large seafood aqua-culture and first-class aquariums, for non-oil compressed air chemical treatments in the chemical and medical industries.

Instructions for use:

1. Make sure the power source to be utilized conform to the power requirements.

2. Must be connected to the earth.

3. In order to avoid the water flowing back, the mechine must be put over water

4. Please keep the machine away from rain and sunlight

5. Do not cover for proper cooling

6. Clean the filter Sponge regularly in order to guarantee the air is pure.

Hisin Airstone Disk 20 cm — a large diameter ceramic disc that produces fine, uniform bubbles. With black plastic surround for durability. Perfect for enhancing oxygenation in your aquarium or pond setup.

Resun ACV-02 air valve is a durable aquarium accessory for precise airflow control. Ideal for splitting and adjusting air supply to multiple devices from a single air pump.