The Aeroflow 450 Series hose is for performance and racing enthusiasts who want high quality light weight hose that is easier to assemble than traditional braided steel hose. Constructed with a braided nylon outer shield for abrasion resistance. A Flexible stainless steel inner core for superior strength embedded in the Chlorinated Polyethylene (CPE) synthetic rubber liner. For use with fuel systems, E85, E10, methanol, oils, lubricants, coolant systems and vacuum applications. Minimum temperature -40C, Maximum temperature 150C. Note. Aeroflow has become synonymous with premium quality performance products. Aeroflow's objective has been to incorporate state-of-the-art manufacturing, aerospace quality materials and rigid quality controls to produce quality performance products at extraordinary value. Aeroflow has taken its forward thinking knowledge to the street, manufacturing a wide range of race quality products to improve street performance and dependability.