aquarium air pump feature: 

1. with streamline design, it is beautiful and decent. made from abs plastic, the shell of the body is firm, durable and endures to shock. and the air-intake room is made from macromolecule complex rubber, and has long service lifetime.
2. it is driven by the top-quality motor. the input power can be adjusted with the phase-angle of controllable silicon. with the adjustable exhaust, this device is advanced, reasonable, high-efficiency and energy-saving.
3. all the movable parts are sealed inside the body. adopting labyrinth-type air-ways and rubber anti-shock cushion, the operation is stable without any noise.
4. the article is produced according to standard and meets concerned national safety stipulations. it is safe and reliable. 

If you have any questions pls. feel free to contact with us