3 ply Disposable Surgical Mask
The 3 layers would typically consist of an outer hydrophobic non-woven layer (translucent), middle melt-blown layer (white), and an inner soft absorbent non-woven layer (green, blue, or white).
3 Ply Mask Generally has a Three–Ply Layer with the Innermost Layer Used for Absorbing Moisture, the Middle Layer is a Filter and Outermost Layer Repels Water. 3 Ply Mask can also Protect you When Others Around you are Sick.