Exceptional 99.97%filter efficiency meets NIOSH P100-series test criteri
Advanced Electret Media (AEM) provides lightweight, easy breathing comfort
Versatile protection against many oil and non-oil based particulate contaminants
From: https://www.3m.com.hk/3M/en_HK/p/d/v000514107/
3M™ Particulate Filter 2091, P100 100 EA/Case
SKU: 3M-2091
HK$75.00Price