This is a silicone version of the half mask 756. Silicone has a wide range of applications due to its anti-allergic properties, especially in contact with skin prone to sweating or rashes. Additionally, the silicone mask is soft and provides maximum comfort to the user during long periods of use. Filters type 755 and 756 are compatible. The mask is designed for users of the half mask 756 who do not wish to change the type of filters they are already using and are accustomed to their way of connection, while seeking additional comfort in their work.