- Ear cup pivot points tilt for comfort and efficiency
- Model H9A recommended for noise exposures up to 98 dBA TWA
- Soft, foam-filled cushions help provide a noise-blocking seal around the ears
- Durable, stainless steel headband resists bending and warping
- Works with AO Tuffmaster face protection system
![3M Optime 98 Earmuffs, 25 dB NRR, Yellow, Over the Head, 1/EA, #7000009670 3M Optime 98 Earmuffs, 25 dB NRR, Yellow, Over the Head, 1/EA, #7000009670](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/252352/357197/247-H9A__42263.1595335809.jpg?c=2)