Recommended for air brake hose, pressurized hot oil return lines and rotary oil/air compressor lines. Meets the requirements of SAE J1405 performance specifications for high-temperature transmission and lubricating oil systems using petroleum base oils. Not recommended for gasoline or diesel fuel applications. Recommended Couplings: GL Couplings, GlobalSpiral Plus Couplings (-24 and -32), Stainless Steel S Couplings (-24 and -32).