The Zefon Z-Lite IAQ DC Powered Sampling Pump is a battery powered portable pump designed for IAQ sampling with low backpressure sampling devices such as spore traps at flow rates from 2-20 LPM.
5-30LPM Rotameter Flow Meter for the Zefon Z-Lite 120V IAQ Air Sampling Pump. The Zefon Z-Lite IAQ pump is a linear type pump which is very small in size, but produces a high volume of vacuum airflow.
A Rotameter is a form of variable area flow meter which has a simplistic operation whereby a liquid or gas passes through a tapered tube.