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Q: Is it effective against micro dust particles ?

gefragt von FABELA auf 2020-07-04 04:35:55

tookayme Particulate filters ( white cotton ) are labelled P1 the grey filter cannisters contain charcoal coal to reduce odour but these are not properly sealed and you can inhale this black material.

2020-07-27 11:33:44 Hilfreich (0)
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