Have (2) Supervac 730 Positive Pressure Ventilation smoke ejector fans with 13 H.P. Honda motors & low oil alert. Good condition. Show minimal signs of use. Start right up and run strong. Per manufacturer's website, they are capable of ventilating large warehouses and other commercial structures. Great piece of equipment for small fire department or for a Commercial warehouse owner. See manufactures website for further specs. These list for around $4k each. Asking $900 each OBO.