The Graco 390 Hi-Boy Cordless Pump Series is a high-performance paint sprayer that is both cordless and stationary. It can deliver up to 3,300 psi with a 0.021-inch max tip. It also has an incredible capability to spray up to 3 gallons on a single battery charge. We are dealers on top notch Graco products! Contact us today at our website and place your order for quality replacements parts from the OEM at affordable prices. A trial will convince you!!!