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How 3-ply Procedural Masks Work The design of the procedural masks (often referred to as “surgical” masks) depends on the mode; usually, the masks are three-ply (three layers). This three-ply material is made up of a melt-blown polymer, most commonly polypropylene, placed between the non-woven fabric. The melt-blown material acts as the filter that stops microbes from entering or exiting...

3 Ply Disposable Procedural Breathing Face Mask, Pack of 50 • Fluid-resistant, Pleated, Non-sterile • Disposable Procedural / Surgical Mask - Breathable Antiviral Face Mask. • Flexible contour wire strip for proper fit across nose & cheekbones. • Ear loop style – FDA Certified • 1 Pack of 50 Masks • Vacuum packing: 50pcs/bag • Mask Size:17.5X9.5cm 3 ply disposable...