* Max® 33 NRR Single-Use Earplugs
* Howard Leight® by Sperian
* The world's most-used polyurethane foam earplug
* Contoured bell-shape is easier to insert, resists tendency to back-out of ear canal
* Polyurethane foam enhances comfort, especially for long-term wear
* Smooth, soil-resistant closed-cell foam skin prevents dirt build-up