Device for personal protection and insulation against pollutants and microorganisms and filtering group for devices for protection and insulation

A device for individual protection and isolation against pollutants and microorganisms, comprising:

• a protection element (1) of the face designed to be worn by the user;
• a filtering group (2) of the air inhaled and/or exhaled by the user;
• wherein said protection element (1) is adapted to cover at least the whole face of the user and has at least one mouth for the passage of air provided with a one-way check valve (7), said filtering group (2) comprising a filter body (4) housing a filter (15) for purifying the entering or leaving air and in fluidic connection with the inside of said protection element (1) by means of an access (25) made in said protection element (1) distinct from said mouth, said filter body (4) having a first opening for drawing air from the outside and/or the expulsion of air towards the outside and a second opening for the delivery of the air into and/or the withdrawal of air from said protection element (1);
• wherein said one-way check valve (7) is of the reversible type to vary the direction of air outlet with respect to said passage mouth and to selectively allow the entry or the exit of air from said protection element (1) and said filter body (4) is adapted to be connected to said protection element (1) according to two connection directions wherein the positions of said first and second opening are inverted to each other to be selectively connected to said access (25) of said protection element (1).