Description
7W electromagnetic motor produces exceptional air pressure (Mas: 0.025 mpa) and sends a huge volume of air 245 gallon per hour for fish breath or root growth High Effective：adopting electromagnetic vibration principle,there is not friction between moving parts,which can minimizing power consumption and offering high efficiency .Therefore no need for lubrication,make sure air is always clean Ultra Silent：with sound insulation design,it is extremely quiet when working,High/Low switch to choose fro
