Colour:3pcs/Bag product description:-3M 9501v mask is a disposable protective mask and cannot be reused.-Using patented 3m high-efficiency electrostatic filtration technology to meet standard filtration efficiency performance.-The filtration efficiency of non-oily particles is not less than 90%.-Adjust the nose clip to help different users achieve good facial contact.-3D three-dimensional design-Enhanced electrostatic cotton filter, comfortable and breathable-Cold and hot breathing valveApplication:For anyone living in a polluted environment, pollution prevention masks are one of the main elements of our daily life. To reduce particulate exposure to the air, it is important that you choose a government-approved respirator and follow strictly the instructions and user instructions.Packing: 1 pack and 3 packs
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