Reusable particle filters Zelinsky Group UNIX 303 P3 R D.
All UNIX filters match the full-face and half face UNIX masks
The filters are classified as high efficiency (P3) and reusable (R, according to EN 143:2000+A1:2006) filters, which are resistant to dust (D).
Properties: The filters have a protective filter housing and they are used with UNIX masks for working in high humidity conditions and are much more resistant to contaminants.
As a result, the service life of the filters is increased. In addition, it provides mechanical protection against damage.
Their operating temperature is from -40 °С to +40 °С.