McKesson Medical Face Masks, Level 1 - Pleated with Ear Loops, Non-Sterile, Blue - One Size Fits Most Adults, 7 in x 3.75 in, 50 Count, 1 Pack

Particle filtration efficiency (PFE) greater than 95 percent, fluid resistance at 80 mm Hg

Meets the ASTM requirements for Level 1 barrier protection; particulate filtration efficiencies greater than 95% with fluid resistance at 80 mm Hg

Cool and breathable SMS material with pleated design; dual-sided design with blue outer layer and white inside layer promotes proper use, convenient donning, and style preferences

Meets the ASTM requirements for Level 1 barrier protection

Flexible metal nose-bridge bar bends to fit user’s unique facial contours; one size fits most adults with mask measurements of 7 inches x 3.75 inches