The 3M™ Scotch-Weld™ EPX™ Pneumatic Applicator is designed to efficiently apply 3M™ Scotch-Weld™ Structural Adhesive Duo-Pak Cartridges (sold separately) for easy, quick applications using a pneumatic (compressed air) connection to supply continuous pressure, enabling a fast, easy way to meter, mix and apply two-part adhesives.