Cleaner

A cleaner comprising:

• a main body that defines an opening;
• a suction motor that is disposed in the main body and configured to generate suction force to thereby suction air;
• a first filter that is configured to filter air that flows into the suction motor;
• and
• a filter unit that includes a second filter, the second filter being configured to filter air discharged from the suction motor, the filter unit being configured to be inserted into and separated from the main body through the opening,
• wherein the first filter surrounds at least a portion of the suction motor, and the first filter is exposed to an outside based on the filter unit being separated from the main body.

A cleaner comprising:

• a main body that defines an opening;
• a suction motor that is disposed in the main body and configured to generate suction force to thereby suction air;
• and
• a filter unit that includes an exhaust filter, the exhaust filter being configured to filter air discharged from the suction motor, the filter unit being configured to be inserted into and separated from the main body through the opening,
• wherein the filter unit is configured to be attached to the main body via rotation, and
• wherein the filter unit is configured, based on being rotated to be attached or detached, to move in a direction parallel with a longitudinal axis of the main body.