The SV-60 is a small, portable pneumatic vacuum unit, and requires no electical power. It operates as a shuttle system alternately discharging then loading. It’s small size and wheels allow it to be utilized in a variety of situations, including indoors.
Operation is automatic and can pump almost any flowable materials with a great suction length of up to 50m.
For more specifications:
http://www.jws.no/products/sv-60/