3M E-A-Rsoft SuperFit Earplugs, 311-1254, yellow, corded 3M E-A-Rsoft SuperFit Earplugs are comfortable ear plugs constructed from slow-recovery foam, to conform to the unique shape of each ear canal for excellent hearing protection. Product Information Brand 3M Part # 7000002307 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 and without cords to suit user preferenceCSA Class ALCompatible with the 3M E-A-Rfit Validation SystemDispenser packaging option available for uncorded earplugsNoise Reduction Rating (NRR)*: 33 dBCSA Class ALTest compatible with 3M E-A-Rfit Validation System
