Cleaner

A cleaner comprising:

• a main body having an opening;
• a suction motor accommodated in the main body and configured to generate suction force;
• an opening cover separably coupled to the main body and configured to cover the opening;
• a motor housing configured to surround the suction motor;
• and
• a filter mechanism comprising a filter member configured to filter dust contained in air flowing to the suction motor,
• wherein the filter member comprises:
• an upper body having a central opening;
• an upper filter unit disposed on the central opening of the upper body;
• and
• a side filter unit connected to a lower portion of the upper body,
• wherein the opening cover comprises a top surface part facing the upper filter unit, and
• at least a portion of the upper body is spaced apart from the top surface part, and the upper filter unit is spaced apart from the top surface part.