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Viral Particle Filter for Nato Gas Masks by Mestel
The Mestel 100 P3 R filter, with the standard Nato thread connector (EN148-1, RD 40-1/7”) can be used with any full-face or half-face protection masks with RD 40-1/7” thread, for example, MESTEL type SGE 150, SGE 400/3 and SGE 400/3 BB, or equivalent and with the APA (Aria Protection adaptor) assembled on Ocean Reef snorkelling masks (Aria and UNO series). This filter protects against not highly volatile solid and liquid particles, and all type of particles /dust, fumes, fog, spray, asbestos, bacteria, viruses, and radioactive pollution. This filter does NOT protect against any type of gas.
The 100 P3 R filter complies with the EU Regulation 2016/425.
Class P3 R, Particle Filter, in conformity with EN 143:2000/A1:2006.
R marking means that the filter is reusable for more than one work shift.
Label colour code: white. Marking:
Breathing Resistance (EN143)
at 30 l/min (requirement < 1.2 mbar): 0.5 mbar
at 95 l/min(requirement < 4.2 mbar): 2.0 mbar
at 95 l/min after obstruction (requirement < 7.0 mbar): 3.3 mbar
Long-Term Performance during the particles filtration (class 3)
FILTER TYPE P R
MAX ALLOWED PENETRATION (%)
MEASURED PENETRATION* (%) < 0.003
MEASURED PENETRATION AFTER CLOGGING** (%) < 0.003
NaCl 0.05 Paraffin oil 0.05
Testing condition: penetration flow: 95 l/min
* After exposure to paraffin oil (120 mg) and 24 h storage
** The filter is submitted to the clogging test with Dolomite dust
Limitations for the filter use
Do not use in areas where the oxygen concentration is lower than 17% in volume nor in the presence of gases and vapours.
Filter Media: non-woven hydrophobic Glass Fiber fabric.
Store at temperatures between -20 and +50°C and RH < 80%
92 g approximately
Filters duly stored and in their original packaging will last 10 years from production date. The expiry date is printed on the filter label and its packaging.
For more information, please check the notes along with the product. Mestel Safety does not take any responsibility for any possible and unintentional mistake and reserve the right of modifying materials and technical characteristics of its products at any time and without any notice. The pictures are purely indicative and may not represent the actual product described in the text.