The M3068.175 progressive cavity pump from Flygt - a Xylem Brand is engineered to meet the rigors of wastewater systems with a unique impeller for optimum hydraulic efficiency and a heavy-duty cutting device that grinds solids into 1/4- by 5/8-inch particles for easy transport through small-diameter pipes, eliminating the risk of clogging. It has a Griploc seal system consisting of two mechanical seals that provide double security against water intrusion. Its air-filled motor has stators that are trickle impregnated with resin to eliminate air pockets and allow 30 starts per hour. Its tough radial grinding mechanism has been used in municipal pumps for over 20 years. 855/995-4261; www.flygtus.com.