The PF-4 Face Mask is made up of 3 layers of non-woven material with 2 silicon-free elastic headloop bands. The material is hypoallergenic and soft to prevent skin irritation and allergy problems. This mask includes a coated metal strip that acts as a nose piece to keep the mask secure when worn. Intended uses include sterile manufacturing and for the prevention of small particle inhalation. The masks are sold in quantities of 500 total masks.
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