The steady air output pressure can be fine-tuned using the power adjustment knob located on the top of the air pumps' casing. Other features include vibration absorbing rubber supports, molded ABS casing, low-power consumption, and more.

Quiet and reliable, Alfred Air Pumps are designed for hydroponic growers and indoor farmers of all levels and are available in a variety of air pressure levels to match your requirements.

Features

• Steady air pressure
• Tunable air flow
• Near silent operation
• Vibration absorption system
• Strong ABS casing
• ROHS compliant
• 1 Year warranty

Specifications

• Airflow: 4.5L/min
• Pressure: >0.014MPa
• Frequency: 50/60Hz
• Watt: 4