1) category: coolant hose, radiator hose Material: EPDM Transmission medium of coolant hose: coolant fluid Transmission medium of radiator hose: hot air Condition temperature: -40~135,-40~150, -40~1632) In accordance with the standards of TL-2424ES-X60617GM6289MSAE J30DBL62563) Can be designed and manufactured as customers’ specific requirements