Jacto 1210807 XP416 White/Orange Backpack Sprayer 4 gal: Ultra-comfortable, lightweight professional-grade Backpack sprayers. Jacto’s XP range was born from our tradition of serving the needs of farmers in some of the most forbidding environments in the world. Jacto’s robust XP models require less pumping to achieve maximum operating pressure than just about any other sprayer you can find. The Jacto XP is an easy-pumping, high pressure marvel of engineering!