Critical Cover PFL (Positive Facial Lock) surgical face masks are ASTM Level 3 rated, 4-ply non-woven masks with an adjustable nosepiece and ear loops. The exclusive Twist-Seal chin piece creates a custom fit that helps reduce gaps at the mask border and the potential for inhaling airborne particles. Latex-free, hypoallergenic, and fluid resistant, they are supplied 50 masks per box in blue.
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Sorted by lowest price · Add now, sign in at checkout


Critical Cover PFL (Positive Facial Lock) surgical face masks are ASTM Level 3 rated, 4-ply non-woven masks with an adjustable nosepiece and ear loops. The exclusive Twist-Seal chin piece creates a custom fit that helps reduce gaps at the mask border and the potential for inhaling airborne particles. Latex-free, hypoallergenic, and fluid resistant, they are supplied 50 masks per box in blue.
3 vendors · 2 in stock
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