3M E-A-Rsoft SuperFit One Touch Dispenser Refill delivers Uncorded foam earplugs by just a gentle turn and its regular size fits most ear canals. Earplugs seal the ear canals with slow recovery foam for remarkable noise reduction and comfort and the orange fitting guides you through proper fitting. Earplugs can be inserted easily and can be expanded inside the ear canals for maximum comfort. Its no waste funnel system permits the user to re-use both the base and the dispensing unit. Plugs have a tapered shape and the moisture resistant foam offers comfort with low pressure. The noise reduction is rated at 33 dB.