2.bacteria filtration efficiency (BFE) > 99% against 3.0um particulates 3.low breathing resistance 4.unique surface water resistance and soft lining 5. non- irritating 6.glass fiber free and latex free 7. adjustable nose piece for easy use 8. non-sterile 9. for single use
50Pcs Disposable 3-Layer Masks, Anti Dust Breathable Disposable Earloop Mouth Face Mask, Comfortable Medical Sanitary Surgical Mask Blue More Buying Choices $49.99 (2 new offers) Disposable Respirator-Three Layers - Melt-Blown Fabric（50PCS）
Disposable face masks vary in price based on the type and the number of masks in a pack. Most boxes cost between $6 and $32. Disposable dust face masks are usually the most affordable option. Boxes of 50 to 125 masks typically range from $6 to $18. Disposable surgical face masks are usually a mid-range option.