Description
3M™ E-A-R™ UltraFit™ Metal Detectable EarPlug - 340-4007 Pre-molded, Triple-Flanged Design The most popular pre-molded earplug in the industry, UltraFit's flexible flanges gently "grip" the ear canal to form-and-hold an effective seal against noise. Features: • NRR 23 dB • Washable & Reusable • Hypoallergenic Polymer 100pr/bx