Hey, guys! Our masks are shipped from the United States, it takes about 4-7 days for delivery. If you have any questions, feel free to contact us please, thank you!
?NICE DESIGN?They are designed to filter out at least 95% of particulates larger than 0.3 microns in diameter.
?HIGH QUALITY MATERIAL?Our filter is made of five layers of non-woven and activated charcoal microfiber. Easy to provide great protection against non-oil based aerosols and blocks particles from grinding, sanding, sweeping and filters out flour, pollen, metal and wood dust.
?HOW OFTEN CHANGE FILTER?Replace them when they look dirty or after about 8-10 hours of wear.
?FRIENDLY CUSTOMER SERVICE?If you have any question or problem about your face Filter, please feel free to contact us, we'll reply you within 24 hours, and offer you the best solution.