55-gallon compressed air vacuum units by Nortech. These industrial air vacuums are fitted with efficient vacuum venturis that generate high vacuum lift required for demanding clean up applications. Single venturi vacuums consume 68 SCFM at 100 PSI and produce 185" waterlift. Dual venturi vacuums consume 47 SCFM at 100 PSI and produce 213? waterlift. Vacuum suction is 89 SCFM. These vacuums are designed to handle the toughest cleaning jobs and are sold as package that includes hose, basic tools and a 3/4" air line assembly. Optional items available include a liquid shut-off assembly for wet-dry applications, a 99.97% HEPA filter and an exhaust housing silencer to reduce dBa. Pictured here is the single venturi, 55-gallon N551BC and there is a dual venturi option available in both 30 and 55 gallon. Please contact us if this type of industrial compressed air vacuum is of interest and we can quote the vacuum package best suited to your application.