Fabrics: Krama, double layer, traditional Cambodian garment, soft, locally produced, resistant.
KamasK filters consist of four layers and contain a layer of activated carbon. They are rated PM2.5/N95 or PM0.1/N99
PM2.5 and PM0.1 refers to the size of the particulate matter that is filtered through the mask. N95 and N99 rating certifies that the respirator filters at least 95% (N95) and 99 (N99) of airborne particles.
The filters come in two sizes: Small (youth) and Regular.