Deisgned for Flow - The VP80-200 Fastvac Max Series air-powered venturi vacuum pumps provide high vacuum flow rates for the rapid evacuation of large volumes of air or for overcoming leakage in order to sustain high vacuum levels while handling porous materials. Highly efficient, capable of reaching 28"Hg [948mbar], the VP80’s are also dirt tolerant and include a straight-through silencer for quiet operation.