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Jul 14, 2020 · The N99 masks can filter out particulate matter 2.5 by up to 99 percent, but then, it can also not work well if worn to filter oil-based particulates and pollutants. If youre going to base your decision based on the higher filtration ability, then you can say that the N99 is better than the N95.3m mask Manufacturers & Suppliers, China 3m mask pm 2.5 protection gauze mask hanging ear supplier thailand3m mask manufacturer/supplier, China 3m mask manufacturer & factory list, find qualified Chinese 3m mask manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China pm 2.5 protection gauze mask hanging ear supplier thailand.
KN95 Stereo Protective Mask PM2.5, Medical Mask from Linkco Int'l Ltd, a Exporter, Manufacturer from Hong Kong. View details of LC 97494 KN95 Stereo Protective Mask PM2.5 from Medical / Oxygen Masks Products - 3605392StyleSEAL Air Masks - Stylish Air ProtectionDesigned in the USA and handmade in Thailand. Superior Protection From air pollution, smog, dust, pollen and airborne bacteria Independently tested by Nelson Labs to filter up to 99% PM2.5 Replaceable Filters Our pollution masks are reusable and washable with easily replaceable filters making them both economical and Eco-friendly