Graco Fusion Mechanical Purge (MP) Spray GunPlural Component Spray Gun for high output spray polyurethane foam and polyurea applications Whether youre spraying polyurea coatings or spray foam insulation, the Fusion MP Gun handles it all. Its rugged design provides excellent mix and material properties giving you great results at the job site. FEATURES Easy mechanical cleaning mix modules and tips are cleaned with a drill bit Long lasting PolyCarballoy mix module Advanced mix module and tip