![3M E-A-R Classic One Touch Refill 391-1001 (Case of 500)](http://crossroads63.com/cdn/shop/products/EARCLASSICCANISTER_{width}x.png?v=1610571748)
- CONVENIENT REFILL - Packaged in convenient Refill Bottles to fit your One Touch dispenser 391-1000
- INCREASED SAFETY - Flame-resistant and moisture-resistant.
- PROTECTION - Noise Reduction Rating (NRR)*: 29 dB CSA Class AL
- COMPATIBILITY - Test compatible with 3M E-A-Rfit Validation System