Description Features: Purpose: It is used to supply oxygen in aquarium, fish farms and hydroponic systems. Working principles: Electromagnetic motor is applied. The piston works in a straight line to produce airflow. Parameter: voltage: 220v-240v; power: 25w; pressure:> 0.015Mpa; air flow: 40L/min; noise: 0.015Mpa Air output: 40L/min Noise:
