The Alfred Hydroponic Air Pump helps to aerate the nutrient reservoir and maintain a consistent temperature while discouraging the growth of algae, bacteria, and other pathogens. It has a steady air output pressure that can be fine-tuned by 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 Hydroponic 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

Dimensions & weight

• Unit Dimensions: 6.5" L x 3.75" W x 3.4" H
• Unit Weight: 1.43 lbs
• Shipping Box Dimensions: 7.4" L x 3.94" W x 4.93" H
• Shipping Box Weight: 1.56 lbs