3m 3G-OTH-554147 — Technical Specifications

Name: 3m 3G-OTH-554147 3M Ear Plug Dispenser Refill: Dispenser Refill, Bullet, 33 dB NRR, Uncorded, Roll-Down, Disposable (MPN 391-1005). Key specifications — Earplug Color_Original: Yellow; Brand: 3M.
Brand: 3m

The 3M Ear Plug Dispenser Refill (SKU 30FX23, MPN 391-1005) is a yellow, uncorded, roll-down, disposable bullet-style earplug with a 33 dB NRR rating. 3G Electric sources this genuine 3M refill across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment for safety and hearing protection needs.

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Technical Specifications

Parameter	Value
Type	Bullet, 33 dB NRR, Uncorded, Roll-Down, Disposable
Brand	3M
Earplug Color Original	Yellow
Manufacturer Part Number	391-1005