ROCKYVAC™ Vacuum Pump

It is a piston powered and oil free vacuum pump with a moisture
trap/vacuum regulator. It can be used for liquid filtration and
also for stack or ambient gas sampling. Compact, light and
aluminium die construction makes it robust.
Caution: Do not use with corrosive
chemicals (alkali/acids/organic air).
Avoid material/liquid suck down into pump.