• 3-Layer Cleanroom Masks
• Knitted nylon earloops—for long wearing comfort
• Filter Medium: meltblown polypropylene provides excellent particle & bacterial filtration
• Fully enclosed nosepiece—adjustable, vinyl covered steel reduces “blow by”
• Size: 180mm (Medium)
• Bulk packaged—not individually wrapped in the pack
• 50 Masks Per Pack / 40 Pack Per Case
• 2,000 Total Masks Per Case

It’s Choice®. The value tiered category of face masks offering all the performance consistency of higher priced face masks. Best of all, Choice® is from Berkshire, the most trusted name in contamination control products. Which means quality you can count on. What’s more, Choice® is backed by the Berkshire Guarantee – your money back if our masks fails to perform according to specifications.