Medo LA80-B Air Pump

 Medo Air pumps linear-motor-driven Free Piston System has an internal piston inside the cylinder which is driven by an electro-magnet and spring system controlled by the alternating input current cycle.
The Medo Air pumps piston forms a single combined structure of two usually different devices; motor and pump.
Medo Air pumps are quiet and vibration free, and offers the advantages of easy maintenance and a long operating life.