Graco E-10 Download Brochure Advanced Features in a Flexible Package Graco's Reactor E-10 is a small, ready-to-use system that helps you get in and out of smaller jobs done fast without sacrificing performance. The Reactor E-10 sprayers are ideal for plural-component spray, joint-fill and touch-ups. With smart controls that are easy to setup and simple to operate, the E-10 is a natural complement to any proportioning equipment line-up. Small size is ideal for on-site portability and hard-to-reach areas One-person operation saves time and money Use as an add-on to your existing spray business Versatile - switch from cold spray to hot spray to foam Saves 30% on material costs compared to disposable foam systems