Air cleaner for fresh air system

The utility model relates to an air cleaner for a fresh air system. The air cleaner for the fresh air system comprises a high efficiency particulate air filter (ULPA net), an activated carbon filter net, an aluminium substrate plasma electrostatic net, a high voltage electrostatic generator, a ultraviolet lamp, a fan, a postposition outer shell, a preposition outer shell, a movable pulling handle, an exterior matching air inlet, a lower-outer shell and an upper-outer shell. The air cleaner can be installed at the position of an air inlet of the fresh air system. Due to high quality select materials and the unique structure of the air cleaner for the fresh air system, pollutants, bacteria and viruses of outdoor air can be intercepted, purified completely, disintegrated and deodorized through the fresh air system of the air cleaner. The fresh air which is purified completely can be delivered into a room through a fresh air system pipeline.