The Flomore® 3400 Series is electric-driven and can have 1 to 4 heads run by a single motor and gear reducer (30 SPM or 60 SPM). This injector is available in 5 different plunger sizes that will pump between 18 GPD and 580 GPD, from 500 PSI up to 7500 PSI. The 3400 Series comes standard with stainless steel heads with ductile iron available on request.