Quick view 5X Particulate Respirator / Surgical Mask Critical Cover® PFL® Medical N95 Chamber Elastic Strap One Size Fits Most Teal Stripe NonSterile ASTM Level 3 Adult 5 Packages Details The Positive Facial Lock® (PFL®) N-95 Particulate Respirator meets the World Health Organization (WHO) and the Centers for Disease Control (CDC) recommended protection levels (where applicable) for many airborne... MSRP: Was: Now: $190.33 Add to Cart Compare