3M08012 310ml Pneumatic Cartridge & Sachet Applicator Gun. A lightweight gun for dispensing extrudable 310ml 3M™ rigid cartridge sealers and windscreen adhesives. Supplied as a single unit. This well-balanced gun is fitted with an air-flow regulator dump valve which instantly exhausts the air when the trigger is released, so avoiding wastage by unwanted extrusion. (Priced Per Each). (2 Weeks Lead Time).