3M 311-4106 E-A-R Disposable Corded Ear Plugs, Bullet, 32 dB NRR, Metal Detectable, Yellow, 200 PK 487V39 Stud and 2-3/4" Nut (Across

Stud and 2-3/4" Nut (Across Flats)

Buoyancy 17 1/2 lb

For Maximum Pipe Size 12 in

Housings optimized for (optional) Dodge OPTIFY™ sensor for bluetooth-enabled condition monitoring

For Use With Square D QO

3M 311-4106 E-A-R Disposable Corded Ear Plugs, Bullet, 32 dB NRR, Metal Detectable, Yellow, 200 PK 487V39 Stud and 2-3/4" Nut (AcrossEar Plugs, Noise Reduction Rating 32 dB, Earplug Shape Bullet, Insertion Method Roll Down, Reusability Disposable, Cord Options Corded, Earplug Size M, Earplug Material Foam, Earplug Packaging Bulk Box, Wrapped Pairs, Earplug Pair Pack Type Plastic Bag, Band Color Blue, Series E A Rsoft(TM), Cord Material Vinyl, Band Material Vinyl, Cord Color Blue, Standards 32 dB CSA Class AL, Pairs per Package 200, Earplug Color Yellow, Metal Detectable Yes,