The newest line up of Dry Pump from Leybold. Released this April 2017, Ecodry Plus represents the summit of German engineering expertise in terms of noise reduction. Non contacting rotors, low vibration, a low power drive unit, a low noise cooling fan, and a cutting edge silencer add up to the an acoustic milestone.
Why is quietness an important feature ? at level above 55 dB(A) sounds quickly become distracting and annoying in the work place. If these loud noises persist over long period of time, one can experience unease, irritablity, and higher blood pressure.
Check out this quieter than converstation dry type vacuum pump line up from Leybold.ECODRY PLUS