Gas filter Zelinsky Group UNIX 502 A2.
EN 14387:2004+A1:2008
All UNIX filters match the full-face and half face UNIX masks
Protection from:
Organic gases and vapors, the boiling point of which is above 65 °C
(benzene, xylene, toluene, petrol, kerosene, organic halides, nitro-compounds of benzene and its homologues, aniline, ketones, tetraethyl lead, etc.)
