
Critical Cover PFL (Positive Facial Lock) earloop face masks are ASTM Level 3 procedure masks featuring patented Twist-Seal technology that creates a custom fit to virtually any face size, reducing gaps at the mask border. The integrated Magic Arch keeps the mask away from the nose and mouth for easier breathing and enhanced filtration efficiency, while the adjustable nosepiece and hypoallergenic, fluid-resistant 4-ply construction provide comfort and reliable barrier protection. Blue, one size fits all, 50 masks per box (6 boxes per case), reference 615.
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Sorted by lowest price · Add now, sign in at checkout










Critical Cover PFL (Positive Facial Lock) earloop face masks are ASTM Level 3 procedure masks featuring patented Twist-Seal technology that creates a custom fit to virtually any face size, reducing gaps at the mask border. The integrated Magic Arch keeps the mask away from the nose and mouth for easier breathing and enhanced filtration efficiency, while the adjustable nosepiece and hypoallergenic, fluid-resistant 4-ply construction provide comfort and reliable barrier protection. Blue, one size fits all, 50 masks per box (6 boxes per case), reference 615.
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