3M E-A-R Skull Screws Earplugs, P1301, grey, corded 3M E-A-R Skull Screws Earplugs offer noise attenuation with attitude. Product Information Brand 3M Part # 7000127181 Line E-A-Rsoft Origin Country USA Product Type Corded Ear Plugs Size One size Product Information*U.SEPA specifies the NRR as the measure of hearing protector noise reductionHowever, 3M makes no warranties as to the suitability of the NRR for this purpose3M strongly recommends personal fit testing of hearing protectorsResearch suggests that users may receive less noise reduction than indicated by the attenuation label value(s) on the packaging due to variation in fit, fitting skill, and motivation of the userRefer to applicable regulations or guidance on how to adjust attenuation label valuesIt is recommended that the NRR be reduced by 50% to better estimate typical protection.Available with or without cords to suit user preferenceCSA Class ALFoam tips stay clean, even when your hands are dirtyNoise Reduction Rating (NRR)*: 32 dBCSA Class ALSoft foam with tough, mock-metal finishUnique shape and color appeals to some users to help with compliance
