Howard Leight AirSoft Corded Earplugs — NRR 27 6622 Ear plug NRR / type

Ear plug NRR / type 6430 Alphas NRR 27 · reusable flanged 6450 Jetz NRR 27 · reusable flanged 6598 BattlePlugs NRR 24 · dual-mode 6496 BattlePlugs Extra NRR 20 · dual-mode Moldex 6709 Zebras EcoStation vs the Alternatives

It carries a Noise Reduction Rating (NRR) of 27 dB measured under ANSI S3

A confined space or a low-oxygen atmosphere requires a supplied-air respirator

The NRR printed on the box is a laboratory number

Howard Leight AirSoft Corded Earplugs — NRR 27 6622 Ear plug NRR / typeEDITORIAL REVIEW: 4. 5 5WC Safety Review Howard Leight AirSoft Corded Earplugs Best For: corded reusable flanged hearing protection at NRR 27 dB with a retention cord. Not For: non noise hazards, or noise that earplugs alone can't bring under ~85 dBA (add earmuffs). Bottom Line: a solid corded reusable flanged plug at NRR 27 dB the cord earns its keep on jobs where dropped plugs get lost. Editorial assessment by Steven Eaton, WC Safety editor. Scoring