SIR Safety System Stark 3 earmuffs with hypoallergenic polyurethane cushions, height adjustable and foldable, for medium noise environments.
One size.
Key benefits
- Hypoallergenic PU cushions with a large contact surface
- Height adjustable; folds to fit in a pocket
Specifications
| SNR | 30 dB |
| H / M / L | 34 / 28 / 19 dB |
| Colour | Black / red |
| Standards | EN 352; CE |
| Regulation | Directive 89/686/EEC; PPE Cat. II |
| Item | 51192 |
Attenuation data
| Frequency (Hz) | Mean attenuation (dB) | Std. deviation (dB) | APV (dB) |
| 125 | 16.9 | 4.4 | 12.5 |
| 250 | 19.7 | 2.3 | 17.4 |
| 500 | 29.7 | 2.6 | 27.1 |
| 1000 | 38.5 | 3.1 | 35.4 |
| 2000 | 34.3 | 2.8 | 31.5 |
| 4000 | 42.3 | 3.6 | 38.7 |
| 8000 | 38.4 | 4.0 | 34.4 |
Product information supplied by the manufacturer (SIR Safety System).
Product codes
SKU: 51192