Good running 2.0 amp motor wired for 115vac plugs, this pump provides reliable and efficient performance. Suitable vacuum pump for dilution CEMS, or any number of other applications, and is resistant to harmful gasses. The pump is from KNF Neuberger, removed from service due to new style equipment put in place.It well-known brand that is trusted by professionals around the world. This vacuum pump is perfect for those who need a dependable and high-quality piece of equipment. It may require a diaphragm rebuild, but pulls an excellent vacuum as is.