
The Critical Cover® PFL® (Positive Facial Lock®) surgical face mask features patented Twist-Seal® technology for a custom, secure fit, and an integrated Magic Arch® that keeps the mask off the nose and mouth for easier breathing. This ASTM Level 3, fluid-resistant, hypoallergenic mask is made of 4-ply non-woven material with 97.8% PFE at 0.1 micron, and is available in blue with a headband style. Each box contains 50 masks.
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Sorted by lowest price · Add now, sign in at checkout










The Critical Cover® PFL® (Positive Facial Lock®) surgical face mask features patented Twist-Seal® technology for a custom, secure fit, and an integrated Magic Arch® that keeps the mask off the nose and mouth for easier breathing. This ASTM Level 3, fluid-resistant, hypoallergenic mask is made of 4-ply non-woven material with 97.8% PFE at 0.1 micron, and is available in blue with a headband style. Each box contains 50 masks.
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