The pumps sport Teflon piston seals, heat-resistant plastic housings, and elastomer valves, measure 2.1 X 1.2 X 3.2 in., and come with 6, 12, or 24-Vdc Class-E insulated motors. A balanced design provides low vibration and oil-less operation prevents air contamination.

Thomas Products Div., 1419 Illinois Ave., Sheboygan, WI 53082, (920) 457-4891, rtpumps.com