The compact WR Model CVS liquid ring pump from Fruitland Manufacturing has a low weight and is designed for maximum vacuum efficiency. It is available with a volume flow range from 739 to 2,390 cfm, with ATEX temperature class 5, internal cooling with cavitation protection, only one water drain, large volume flow range, connection flanges that can be swiveled and face seals for high service life. 800/663-9003; www.fruitlandmanufacturing.com.