EFG4K hose is recommended for very high–pressure, high–impulse applications. Exceeds all requirements of ISO 18752 Grade D (except OD for -6 to -10), SAE 100R12, EN 856 R12 and ISO 3862 Type R12. Compatible with biodegradable hydraulic fluids like polyolester, polyglycol and vegetable oil as well as standard petroleum–based fluids.