McKesson Brand McKesson ASTM Level 1 Medical Face Masks, Yellow (500/CS)

McKesson Brand McKesson ASTM Level 1 Medical Face Masks, Yellow (500/CS)

• Bacterial and particulate filtration efficiencies greater than 95%, fluid resistance at 80 mmHg
• Cool and breathable spunbond-meltblown-spunbond (SMS) material with pleated design
• Flexible metal nose-bridge bar bends to fit user's specific facial contours.
• Meets the ASTM requirements for Level 1 barrier protection
• Yellow