rubber hose Size: 3/16~~2-1/2 inch Standard: SAE, ... inch Tube material: oil and weather resistant inner and cover rubber. Temperature range: -40~~+121 celsius degrees Certification: ISO9001 ... :2000 Standard: SAE R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R12, R13, R15, R16, ... practice, or following the customer’s requestB.Low pressure hose seriesOur products mainly cover the following field:1) oil ...