The ESCO Air Pressure Reducer for hydraulic tools is designed to regulate the air pressure on hydraulic equipment to 110 PSI. Helps prevent damage to the seals on hydraulic tools and equipment and keeps hydraulic air motors clean from contaminants. ESCO Air Pressure Reducers are unique and tamper-proof, with a preset air pressure of 110 psi. Specifically designed for use with air tools and hydraulic equipment. Kit also includes a 6 in. whip hose that easily connects to the air hose.