Reactor A-XP1The Reactor A XP1 is a Graco engineered coatings proportioner that gives you the reliability you expect on the job site. It maintains consistent temperature control, even when youre spraying at maximum flow rates resulting in better quality coating. For polyurea coatings applies up to 1. 5 gal (5. 7 L) per minute. Three Heat Zones Three independent heat zones ISO, resin and hose heat Provide accurate heat control for reliable spraying to handle