Stowaway Heavy Duty Nylon Air Hose features extra heavy wall thickness to meet the requirements of the most demanding applications. Heavy walls also provide additional protection against oil, grease, gasoline and abrasion as well as increased working pressure. Each assembly is supplied with durable brass compression fittings, tube inserts, and hose ferrules. Steel spring guards for additional strain relief are also provided. Designed to withstand temperatures between - 60 and + 200 degrees F