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Acetonitrile (MeCN) is widely employed as a solvent in various studies and has high dielectric constant (37.5). Various purification procedures to obtain different grades of acetonitrile for use in different studies...
3M™ E-A-R™ UltraFit™ Earplugs, Corded, Poly Bag, 400 Pair/Case
- Poly bag keeps each pair of earplugs available or accesible for re-use.
- Premolded, triple flange earplug s fit comfortably in a wide range of ear sizes
- Reusable triple flange design ensures high protection levels
- Washable and reusable.
- Test compatible with 3M™ E-A-Rfit™ Validation System
The 3M™ E-A-R™ UltraFit™ corded earplugs features a proprietary, premolded, triple-flange design that fits comfortably in most earcanals.
| Catalog Number | 340-4004 |
| Material | ABS/Elastomeric Polymer |
| Type | Earplugs |
| Case of | 400 |
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