Pentair's Pentek® XE Series™ 4" submersible motors now include 40 different models, including the new Coal Bed Methane Series. The Coal Bed Methane Series motors are rated for continuous duty in 86° Fahrenheit water, and feature a silicon carbide mechanical seal and diaphragm filter to help prevent the entry of sand/debris. The water-filled motors are built for reliability in potentially contaminated well installations, including those with sand or coal fines. Pentair Inc.www.pumps.com