# Critical Cover PFL Procedure Mask with Advanced Fit Technology

Available in convenient packaging options including boxes of 50 masks and cases of 300 masks, this procedure mask delivers reliable protection with innovative comfort features for healthcare professionals and general use.

## Advanced Protection and Comfort

Engineered with patented Positive Facial Lock® (PFL®) technology, this ASTM Level 1 procedure mask provides superior fit and filtration efficiency. The innovative design creates a custom seal that adapts to various facial features while maintaining exceptional breathability.

### Key Performance Features
*   ASTM Level 1 protection with ≥95% Bacterial Filtration Efficiency (BFE)
*   Fluid resistance up to 80 mmHg for added protection
*   Pleated design with comfortable earloop fastening
*   Non-sterile construction suitable for general procedure use

### Innovative Fit Technology

The exclusive Twist-Seal® technology allows users to create a personalized fit every time, significantly reducing the possibility of inhaling airborne contaminants. The integrated Magic Arch® design prevents mask contact with the nose and mouth, enhancing both comfort and filtration efficiency.

Manufactured in the United States, these blue stripe masks feature a one-size-fits-most design that accommodates adult users across various facial sizes and features. The positive seal technology ensures consistent performance throughout use.