Air-filter for compressor

The present invention relates to an air filter for a compressor, capable of enabling excellent air filtering and moisture removal by improving a structure of a filter, installed inside an air filter. The air filter comprises: a head part (10) inducing compressed air flowing thereinto to a filter (100) and discharging the air filtered through the filter (100); the filter (100) fixed to the head part (10) and filtering foreign substances included in the compressed air; and a body part (20) combined with the head part (10) and discharging the foreign substances and condensate to the bottom. The filter (100) includes: a filter member (110); an upper cap (120) and a lower cap (130) combining and installing the filter member (110); and a combination rod (140) penetrating a gap between the upper cap (120) and the lower cap (130) to be fixed through a combination nut (125). The filter member comprises: a cylindrical body (111); and multiple dehumidifying protrusions (112) formed on the outer surface of the body (111)