The Upgrade progressive cavity replacement grinder pump from Environment One Corporation fits virtually any other grinder pump wet well. It is designed to replace the components of a centrifugal pump, including slide rails, pump/motor, float switches, piping and motor control devices. Solids are ground into fine particles, allowing them to pass easily through the pump, check valve and small-diameter pipelines. It is designed not to jam and for minimum wear to the grinding mechanism. It comes with a self-contained level control system, is automatically activated and runs for short periods. The 1 1/4-inch slide face discharge connection is adaptable to any existing discharge piping. The internal check valve assembly is designed for non-clog, trouble-free operation. Units are available with a number of discharge hose lengths to accommodate a wide range of existing tank depths. 518/579-3068; www.eone.com.