good quality and low price material: NBR for high quality thickness: 2--12mm normal size: od 4--120mm certification: TS16949,ISO9001Fuel oil hose adopts materials such as FKM, NBR, CSM, ECO and NBR/PVC. The product performance meets the requirements of TL-52424,ES-X60617,GM6289,SAEJ30 and DBL6256.It is used as the supply and return oil pipe, exhaust gas pipe and pipe of self-changing gearbox. ...