3m 3G-OTH-554136 — Technical Specifications

The 3M Ear Plug Dispenser Refill (SKU 3NHK9, MPN 391-1001) is a cylinder-type, uncorded, roll-down, disposable earplug refill with a 29 dB NRR rating in yellow. 3G Electric interprets this demand and supplies it across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.