The Akfix XFG04 Metal Foam Gun w/ Teflon Adaptor is very durable, solvent-resistant and professional grade.  The XFG04 is for applications of Polyurethane Gun Foams (see 812P Multipurpose Low Expansion Foam, 960 Multipurpose Adhesive Foam, 966P Subfloor Adhesive, and more.  It features a Metal Body with Teflon Adaptor, Ergonomic Handgrip and an Adjustable Flow Rate, making this product very durable and long lasting.  Recommended to clean this product with 800C Foam Cleaner after every use.