EXELAIR by Milton’s Simply Better Air® system provides the best solution to manage compressed air. This (EX55FRL40A-06M) 3/4 NPT High Flow Air Filter Regulator and Lubricator (FRL) System trio pack saves space by combining features of the filter regulator & lubricator into one unit. Its metal bowl with sight glass has a capacity of 7.4 oz. and an automatic drain or can be manually drained by rotating the shut-off at the bottom. Regulator located in the middle includes 1 5/8” dial gauge readings in both PSI/Mpa and a lockout knob to set desired PSI. Attached next to the regulator is the lubricator that includes a polycarbonate bowl with a capacity of 4.56 oz. FRL Lubricator delivers a consistent mist of oil through the airline and extends tool life which can be refilled either by removing bowl or filling through oil fill cap on top. Oil amount is easily adjusted by rotating dial at the top of the unit. Max Airflow of 175 CFM and a max operating pressure 145 PSI. Always install FR 20' feet down line of air compressor to allow air to cool and lessen the amount of water carried through the supply line. Comes fully assembled. Includes mounting bracket and hardware. Replacement filter: Milton # (S-1118-5RP).