AIR FILTER

摘要

PURPOSE: An air filter is provided to prevent damages of the air filter easily crushed by external pressure and impact, and to simplify a manufacturing process of the air filter while preventing degradation of sealing function due to change of a sealing shape. CONSTITUTION: An air filter comprises the following: cylindrical filter paper(20) folded in a zigzag type and is inserted on the outer circumference of an inner core(10) in which a plurality of through-holes is formed; an outer core inserted into the outer circumference of the filter paper; a lower cap(40) and an upper cap(50) are formed in an upper part and a lower part of the filter paper - core assembly; a cover member(41) integrated with a hard urethane foam(42); and a sealing member(51) formed with rubber is integrated with the hard urethane foam(52).