Feature
●Can be used for a variety of masks including disposable masks, washable cloth masks, polyurethane masks, and more. Set Includes: 10 filter sheets, Size: 5.1 x 3.1 inches (13 x 8 cm)
●Made with ultra-fine fiber material with high filtering performance and three-layer high quality melt-brow material that blocks the infiltration of microscopic particles such as bacteria and pollen
●When used in conjunction with the mask replacement sheet will reduce the unpleasant smell of disposable masks when using them for a long time, and also reduce the pain of breathing with damp masks
●Can be used as a first aid when you are worried about the protective performance of a washable mask or if you dont have enough mask
●Set the mask filter sheet for better protection and extended the usage time of the mask
Description