The QE vacuum pumps have been engineered to provide reliable field service with heavy-duty steel base-plate and handle. They include a 2 stage motor, corresponding vacuum pump oil, and a factory micron rating of 15 microns. They are built for deep vacuum service on appliances, residential, and commercial systems using CFC, HCFC, and HFC refrigerants in conjunction with mineral oil, ester oil, alkylbenzene oil, and PAG oil as lubricants. The 12 CFM model includes 1/4” & 3/8” SAE inlet ports. All units are boxed in foam and include a user manual and standard 110 V plug. 15.5 Fl. Oz. vacuum pump oil included.