3M E-A-R Classic SuperFit 33 Earplugs 311-1125, Corded, Poly Bag, 2000 Pair/Case
Description
Note: This product has been discontinued by the manufacturer 3M Peltor. The suggested alternative product is the 3M E-A-R Classic Plus Earplugs 311-1105.
3M E-A-R Classic SuperFit 33 Earplugs - Industry Standard Protection
The SuperFit 33 set the benchmark for workplace hearing protection with its innovative orange fitting ring and superior 33 dB noise reduction rating.
Why SuperFit Was a Market Leader:
- Visual Compliance Check: Orange fitting ring provides instant visual confirmation of proper insertion for supervisors
- Superior Protection: 33 dB NRR - among the highest noise reduction ratings available
- Perfect Fit Indicator: Proprietary fitting ring ensures optimal hearing protection when properly inserted
- All-Day Comfort: Slow recovery, low-pressure foam conforms to unique ear canal shape
- Durable Design: Flame-resistant and moisture-resistant for harsh environments
- Safety Certified: CSA Class AL, test compatible with 3M E-A-Rfit Validation System
Key Features:
- Orange fitting ring for proper fitting guideline and quick visual compliance check
- Slow recovery, low-pressure foam for enhanced comfort and wearability
- Stiff enough when compressed for easy fitting, soft enough for extended wear
- Dermatologically safe, non-irritating foam
- Standard size fits most people comfortably
- Moisture-resistant - maintains consistent expansion time in humid situations
- Flame-resistant - important for arc flash situations and storage
Recommended For:
Chipping, chiseling, drilling, furnace operations, grinding, heavy equipment operations, machining, pouring/casting, power fastening, riveting, sanding, sawing, welding
Common Industries:
Agriculture, Automotive, Chemicals, Construction, General Manufacturing, Healthcare, Oil & Gas, Pharmaceuticals
Looking for a replacement? Contact us for current alternative products that match or exceed the SuperFit 33's performance specifications.

