New 3/8" Oiler / Lubricator. Mid Flow 3/8" Female NPT Inlet X 3/8" Female NPT Outlet Air line lubricators are devices used to add a lubricant, via an air line, to a compressed air operated appliance; one that requires an external source of pneumatic oil for proper operation. Oilers/Lubricators help protect and prolong the life of your compressor tools and accessories. 215 PSI Max input pressure 150 PSI Max output pressure 2.7 oz bowl capacity Visible Polycarbonate bowl allows you to check fluid levels at a glance 88 CFM Flow Rate Drain Capacity 80ml Oil Capacity 150ml Installation and operating instructions included