Hilti's VC20-U portable jobsite vacuum is a 1,200 watt, 20 liter wet/dry vac featuring Hilti's air-boost filter technology that opens every 15 seconds and reverses the air flow to shake the filter clean. According to the company, the VC20-U maintains constant high-suction performance, even while collecting fine masonry. Features include an automatic shutoff when the tanks are full, steel-plate reinforced PES Nano wet filter, and an anti-static hose. Price: $750. 800-363-4458.