Recommended for extremely high impulse hydraulic applications. 4XP hose is compatible with biodegradable hydraulic fluids like synthetic esters, polyglycols and vegetable oils as well as petroleum-based fluids. XtraTuff® hose lasts up to 25 times longer than standard hose during hose-to-hose and hose-to-metal abrasion tests per ISO 6945. Recommended Couplings: GlobalSpiral™ Couplings.