Ua hoʻokuʻu ʻia ka mea kaua hou no ka anti-epidemic, mask filtration efficiency tester!
ZR-1006 Model A(Salt)/Model B(Oil) mask particulate filtration efficiency and airflow resistance tester e pili ana i ka nānā pono a me nā kikowaena nānā no nā huahana lapaʻau, nā kikowaena no ka mālama ʻana i nā maʻi, nā kikowaena nānā lole, nā halemai, mask ...
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