... to Yellowing, Aging, Abrasion etc. 100% of TPU 1,Air hose. 2,Different materials for your choice: rubber, PVC, PE, PU ... ,PA 3,Size according to your requirementsThese Recoil Hoses stay neatly coiled ... : Working pressure: more than 300PSIc: Medium temperature: -25 ~ +80oC Air Hose