Heavy industry reduces the sound level by 25dB making it safe for 8 hours continuous use in any environment up to 110dB. Can be combined with earmuffs in very loud situations where double protection is a requirement.
| Manufacturer | Emtech Laboratories |
| Brand | Crescendo |
| Item Weight | 1.44 ounces |
| Product Dimensions | 6.3 x 3.5 x 0.9 inches |
| Item model number | HIHRGPRO |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | PR-0458 |
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