Gates' FleetRunner Hi-Temp Straight Coolant Hose offers heavy duty technicians a durable solution for extended use hose applications. Can operate in -40 to 300 degree F temperatures, resist electrochemical deterioration, and operate at high pressures. This advance peroxide-cured EPDM rubber hose exceeds SAE 20R1 specifications and comes in 3' lengths. Less expensive than a silicone hose with a significantly less water permeation rate, leading to a substantial savings on coolant and a more environmentally friendly option. Made in the USA.