filter mat 1.hygenic,green,clean 2.pp nonwoven, melt ... dust 4.Light and convenient replacement filter matDescription of filter mat:1. composition: multi-layer PP non-woven, melt blown2 ... effectively resist dustPrice of filter mat:US$ 0.15 ~0.40 Capacity of filter mat:10,000 per dayAbout us: ... products are non-woven masks, reusable bags, eye masks, cotton pad, white feet film, white hands film, women's ...