Products Home > Products > FMI PUMPS > OEM Pumps/Duplex Stepper Pumps Brand FMI Product Name 200μl STH Pump "STH200" Item STH2 Link Go Description Specifications Features ◆ Extended dispense and flow range in a compact OEM design. ◆ Precision, high-torque 17 frame stepper.(1.7" motor housing) ◆ High performance, extended-life, seal configuration. Back