3M E.A.R. Soft Neons Refill Bottle PD-01002 (Pack of 500)

The One Touch dispenser refills are extremely easy to change in a few simple steps. When the One Touch is empty the bottle can simply be replaced or refilled, the dispensing mechanism and stand can be used time and time again. Any residual plugs left can be emptied into the new refill resulting in no waste. Attenuation: SNR 36dB, H=34dB, M=34dB, L=31dB