Packed in a box to prevent dust accumulation. The box contains half mask SR 90-3 size M, particle filter SR 510 P3 R, 5 pre-filters SR 221, tightness tester (not mechanical), pre-filter holder, cleaning cloth and instructions for use.
- Nominal protection factor: 50
- Measured protection factor: 20
- Inhalation resistance 30 l/min: 3 Pa
- Exhalation resistance 160 l/min: 70 Pa
- Operating temperature: -10...+50 ºC
- Weight: 172 g
- The half mask and filter can be disinfected and reused countless times (the test load corresponds to 4 disinfections per day for 18 months).
- A simple disinfection procedure.
Explanations of the type symbols of the filters:
P3 = The most effective particle filtration class from dust, mist and steam containing e.g. microorganisms such as bacteria and viruses, gypsum, wood or textile fibers, marble, titanium oxide, soapstone, stone wool, cleaning agents, oil, spices, salt, feed, etc. Protects from dust, which can cause lung diseases caused by e.g. cotton, graphite, kaolin, zinc and aluminum. Also protects against harmful dust caused by e.g. coal, asbestos (always check site-specific demolition instructions), bauxite, quartz and iron ore. Also protects against toxic dust caused by e.g. manganese, lead and chromium. Efficiency: 99.98% (up to 0.3 micrometer particle size).
