The Parker-Hannifin 77 Series Hydraulic Constant Working Pressure Hose is a complete range of cost-effective, permanent, crimp-style hoses. This hose is ideal for a variety of applications. It is compatible with petroleum-based hydraulic fluids, water-glycol and water-oil emulsion hydraulic fluids, and air. It is also suitable for use with lubricating oils and with phosphate-ester-based hydraulic fluids. This hose is designed to provide superior performance and reliability in any environment. It is easy to install and maintain, making it an ideal choice for any hydraulic system. FleetPride is your First Click in Heavy Duty®.