Northern Safety

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330-3001 Earmuff Model 1000

3M

Made from lightweight, durable non-conductive plastic. Pivoting ear cup connection provides comfortable seal while maintaining alignment with head. Large ear cup openings are filled with foam cushions. Take-apart assembly makes cleaning easy. Adjustable headband lets workers choose from three positions: Over-the-head (NRR 20dB), CSA Class B, under-the-chin (NRR 22dB), CSA Class A, & behind-the-neck (NRR 22dB). CSA Class B. Net Weight: 7 oz. (204g).