QUARANT 3 Ply Disposable Surgical Face Mask, UV Sterilized, BFE & PFE >98%, ISI, BIS, CE & ISO Certified, ASTM Level 3, Meltblown Layer Fabric Masks with Adjustable Nose Pin for Men and Women, Blue (Available in Pack of 50, Pack of 100 or Pack of 500) BFE & PFE >98%: QUARANT UV Sterilized 3 Ply Surgical Face Mask offers Higher Bacteria Filtration Efficiency of >98% @ 3.0 microns and Higher Particulate Filtration Efficiency of >98% @ 0.1 micron against bacteria and viruses. Free-Size & Comfort: The elastic spandex outer ear loops are comfortable for long wearing sessions by people of all ages and the built-in metal adjustable nose pin provides a perfect fit while still being easy to breathe through. Fluid Resistant, Anti-Pollution & Anti-Dust: Designed to offer protection against bodily fluid and spatter at high resistance. Also offers protection against dust and pollutants from the air. 3 Layer Non-Woven Fabric: 1st is Hydrophobic which is water resistant, 2nd is Electrostatic Charged Melt Blown fabric offering protection against bacteria/viruses & 3rd is Hydrophilic which absorbs water droplets & sweat. 100% Made in India: Our 3 Ply Face Masks are manufactured in state-of-the-art facility which follows good manufacturing practices and is ISO 13485:2016 & BIS certified. The masks have been packed in pouches of 5 pieces for your convenience.