The Jurop R260 vacuum pump from CEI - Chandler Equipment requires an input of 540 to 1,000 rpm and creates an output of 363 cfm at free air (304 cfm at 18 inches Hg), while producing a maximum pressure of 25 psi and maintaining 92 percent vacuum efficiency. It is injection cooled and features automatic lubrication and heat-resistant Kevlar vanes. Clockwise or counterclockwise rotation is available. It can be ordered with a pump-mounted final filter, with an available in-line final filter with 3-inch female NPT. 800/342-0887; www.chandlerequipment.com.