Plastic-bodied PU foam gun with stainless steel barrel and brass nozzle. For filling, sealing and insulating. Compatible with standard gun grade 750ml expanding foam cartridges. Includes 2 x plastic tapered tube for precise application. Plastic-bodied PU foam gun with stainless steel barrel and brass nozzle. For filling, sealing and insulating. Compatible with standard gun grade 750ml expanding foam cartridges. Includes 2 x plastic tapered tube for precise application.