3M™ Pistonz™ Disposable Earplugs
• the 3M Pistonz earplugs has a NRR 29dB
• Instant-use - No need to roll down
• The Pistonz stem is stiff enough for insertion, yet designed to flex sideways if impacted
• Tips look like metal, yet soft foam comfortable for all day wear
• Officially licensed hearing protection of NASCAR®
The Pistonz earplug comes in a corded version (100 pair in a box) or uncorded version (200 pair in a box)