LS-Series Multistage Centrifugal Turbo Blower Made in USA the LS design is the most advanced in the world with higher efficiencies, pressures and gas tight design • 30-3,000 hp, 2-25 PSI, 300-45,000 SCFM • Simple, rugged and reliable, for pressure, vacuum, air or gas applications • Direct Coupled Motor — no gears or belts/p> • Self Lubricated Roller Bearing • Low Maintenance and Quiet Operation