RSN Performance's black Nylon braided, steel intertwined rubber hose has been salt spray tested to simulate 15 years of outdoor exposure to make sure it stays looking as good in the future as it does the day you put it in. Excellent pressure ratings of 1,000PSI from -04 to -12, and temperature rating from -40øC to 140øC. It is approved to be used with reusable and crimp fittings. Applications include fuel, diesel, lubricant, coolant and air. SAE100R12 compliant