Blue Anatomical Face Mask With Elastic Ear Loops (Pack of 20) B1 1/4-7 x 2 3/4 Part # 1149CN516R

Part # 1149CN516R

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Military High Collar Split Lock Washer Zinc II - Pack of 2000

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Blue Anatomical Face Mask With Elastic Ear Loops (Pack of 20) B1 1/4-7 x 2 3/4 Part # 1149CN516RThese masks contain two layers of 100% polypropylene, spunbond SS (2 ply), non woven fabric providing a superior penetration barrier. Features Outer shell provides high fluid resistance and inner layer supplies high density filtering Highly durable Hygienic and safe Lightweight, flexible and breathable Non toxic, non irritating One size fits most Technical Information Bacterial filtration efficiency greater than 99% for media larger than 3 microns