Air filtration system including a helmet assembly with at least two air outlets to distribute air about a head of a user

(57) The helmet used by the summary air filtration system and an air filtration system is indicated, and it is used for filtration of the air between a user's head and the body, and outside environment. An air filtration system and a helmet contain the inner side and outside shell which demarcate an air channel, in order to pass air around a user. A fan module is carried between an inner side and outside shell, and a swirl housing adjoins a fan module and is carried. A swirl housing includes the air inlet for drawing air in an air filtration system and a helmet, and at least one air exit for distributing an air style to an air channel. A helmet includes an air exit in the front and the back section by which fluid 連通 is carried out with an air channel and one or more air exits. An air filtration system contains the gown which functions as a filter for air filtration.