The 1100 is an uncorded Ear Plug, it is made from soft hypoallergenic PU foam material to provide maximum comfort and low pressure inside the ear.
3M 1100 Disposable Earplug Foam Noise Reducer
3M 1100 Earplug, Orange Polyurethane Foam, 37dB
3M Corded Foam, Noise Reduction Ear Plugs (BOX Of 100 EACH),Orange
3M™ Ear Plugs 1100, 30 PR/PK (94-105 dB)
3M 1100 Uncorded ear plugs, Pack of 30
AETRONIX Saudi 1100-PD 3M Group 3M 1100 Unattached Disposable Ear Plugs, 37dB, Orange, 500 Pairs per Package7401422
3M 1100 Earplugs orange SNR 37 dB, 200 Pair / Box - online purchase
Shop 3M Earplugs, 37 dB, Refill Bottle, Uncorded, 500 Pairs/Box, 1100D - Safety, Hearing Protection, Ear Plugs
3m 16283m 1100 Earplugs - Noise Reduction For Tactical & Concert Use