EI series air source treatment units is an up-gradation air units from E series classic air treatment units which is equivalent to SMC A series compact air preparation units and are our most popular style air units with higher flow rates, simple assembly and space saving. EI series air treatment units are available with 8 sizes options from 1/8” to 1” for a most suitable air volume selection, standard with 25 micron available and 5micron as optional. In 2013, E.MC engineers made a further study, test and special body re-design, EI series FRL supports more than 9 Bar in actual application while normal FRL oilers break for long time use, which proves top technology in FRL field and give a better air source solution for higher pressure demanded fields.