☪ [High quality non-woven-fabric] Made of non-woven-fabric, marchefect isolation, and more security protection. "Get BFE test certificate" High cost real blown non-woven fabric that automatically generate electrostatic adsorption of harmful substances.
☪ [3-layer protection]: High quality 3-layer filter cloth filter design effectively blocks harmful substances and doubles the protection.
☪ [Stable fixation] There is an adhesive on the filter, which effectively prevents displacement and makes it easy to tear.
☪ [Good design] Multiple protection against dust, multiple folding, very breathable, and inserting an additional filter in the pollution doubles the protection against harmful substances, gases and odors.
☪ [Comfort] It is made of soft fibers and is comfortable to use.
||Blue, Purple, White