3M E-A-R One Touch Pro Industrial Dispenser An ABS plastic with a powder-coated steel-back plate ear plug dispenser. Free-standing or wall-mounted. Designed for indoor and outdoor use. Dispenses one ear plug at a time. See below for Refill bottles. Refill Packs The dispensers can be filled with the following foam ear plugs. Classic One Touch Refill bottle Made from a soft energy absorbing polymer foam, which allows the user to roll the plug down for easy insertion into the ear canal and then expand slowly to form a comfortable seal against noise. Ideal for use in work or leisure activities. 3M E-A-Rsoft Yellow Neon Refill bottle PD-01-002 Made from a slow expanding, environmentally friendly, polyurethane foam material. Provides evenly distributed pressure, giving flexibility, a good seal with optimum comfort. SNR36. SNR = 28dB SNR = 36dB