3M ™ 1100 Foam Earplugs They are made of a soft, hypoallergenic foam and have a conical shape for a comfortable fit in the ear canal. The slow-expanding polyurethane foam conforms to the shape of the ear canal to create a comfortable noise barrier.
These earplugs are compatible for testing with the 3M ™ EA-Rfit Validation System.
- Noise Reduction Index (NRI): 29 dB, CSA Class AL
- Compatible for testing with the EA-Rfit 3MMC Validation System
- Bright orange for easy identification
- They fit easily into the ear canal thanks to their conical shape.
- Soft, dirt-resistant surface for hygienic use
- Made of hypoallergenic foam
- Noise Reduction Index (NRI)*: 29 dB. CSA Class AL
3M ™ 1100 Foam Earplugs They are made of a soft, hypoallergenic foam and have a conical shape for a comfortable fit in the ear canal. The slow-expanding polyurethane foam conforms to the shape of the ear canal to create a comfortable noise barrier.
These earplugs are compatible for testing with the 3M ™ EA-Rfit Validation System.
- Noise Reduction Index (NRI): 29 dB, CSA Class AL
- Compatible for testing with the EA-Rfit 3MMC Validation System
- Bright orange for easy identification
- They fit easily into the ear canal thanks to their conical shape.
- Soft, dirt-resistant surface for hygienic use
- Made of hypoallergenic foam
- Noise Reduction Index (NRI)*: 29 dB. CSA Class AL