3M™ E-A-R™ Roll Model 319 U.S. Model non-crushing grip is required

non-crushing grip is required

reducing heat build-up for users working in hot and humid conditions

with Detachable D-ring

Enhanced Durability: Crafted to withstand repeated sterilization cycles while maintaining structural integrity and alignment

Red universal tubing ensures quick and easy verification of the oxygen connection

3M™ E-A-R™ Roll Model 319 U.S. Model non-crushing grip is required3M E A R Roll Model 319 This hands on device demonstrates the proper way to ensure your earplugs are the correct size and to aid in proper fitting and roll down of foam earplugs. Features: This hands on device demonstrates the proper way to ensure your earplugs are the correct size and to aid in proper fitting and roll down of foam earplugs. 1 EA per case.