Filter is crafted with three layers of support: One layer of filter paper in between two layers of non woven interfacing fusing.
5” Height x 6” Width
PM2.5 Filter:
Filter is crafted with five layers of support that contains activated carbon and non-woven fabric. One layer of spunbond cloth, second layer of melt blown cloth, third layer of activated carbon, fourth layer of melt blown cloth, fifth layer of non-woven fabric.
Cloth Face Masks Made In Los Angeles 100% Cotton Canvas Soft Adjustable Formfitting Nose Wire 3 Ply (Including Filter) Filter Is Crafted With Three Layers Of Support: One Layer Of...