5pairs 3M 311-1250 Ear Plugs Authentic PU Foam Soft corded Anti-noise sleeping Reduction Norope Earplugs Protective earmuffs
Technical Details
Brand Name: | 3M |
Color: | Yellow |
Material: | PU Foam |
Model Number: | 3M3111250 |
Noise reduction value NRR: | 33db |
Noise reduction value SNR: | 36db |
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