This Blast and Vacuum system is built for high production vacuum blasting work. The Vacuum system, blast machine and airdryer are all mounted to one skid. The abrasive does not recycle which is ideal when you have very low dust requirements or when your specification calls for the use of virgin abrasive only. this system is 100% pnuematic and does not require any electrical power. Blast Pot capacity is 3.5 cuft.