Particle filters
Used to fix UNIX particle filters on the surface of DOTeco gas filters.
Filters are used in assembly with DOTeco gas filters
Particle filter (protection against aerosols).
UNIX 303 P3 R D filters have a bayonet socket for hermetic connection with a half mask or a full face mask of UNIX series. They belong to high efficiency filters group (3rd class of protection). These filters are resistant to dust (D) and designed to be reusable (R).