TRI-POXY lined steel for triple protection against corrosion, rust, and damage from denting. Brass spray handle with "Lock-on" and quick release design, threaded coupling for easy removal.; Models 1949 and 1979 have VITON? o-rings and gaskets for maximum resistance to chemical attack.; Hose reinforced with nylon braid and vinyl core to resist chemical attack, crimping, cracking, and leaking.; Wide mouth for easy filling and cleaning.; Poly holster keeps wand and nozzles secure;.