Sell Professional KN95 Mask Filter for Reusable Mask Filter Insert PM2.5 FILTER best price

Dear customer, we have been selling masks for 7 years, during which we have accumulated a lot of experience. Committed to buying the most efficient protective masks for our customers, our filter uses the most efficient 5-layer activated carbon filter, although this is the most costly filter on the market. . . The composition, the most protective of which is the layer, please be sure to recognize the mask filter with these three layers, because only with these three layers can achieve the protective effect of n95, do not buy 3 layers on the market or Replace the five-layer filter with other materials, because the protective effect cannot meet the requirements, not all PM2.5 filters are n95 filters.. Singapore Ready Stock Item will be posted within 1-2 working days for orders Why N95 filter? Under certain conditions, the corona virus is known to be able to transmit through aerosols. The N95 filter has 95% filter efficiency against very small particles (0.3 micron). It is more effective compared to surgical masks which have a filter efficiency of about 60%. Sponge masks have the lowest filter efficiency of only about 20%.