3500 psi provides more cleaning power for those tougher jobs. 3 tip sizes allow you to control pressure and spray pattern. Gas engine with a flat fuel charge so you don't have to fill it before returning it. Large air filled tires makes moving around the house easy. Delivery available(additional costs) if needed. We have enviromentally safe cleaning chemicals to make the job easier. # 14 is for sale at $ 950.00