3M™ Speedglas™ Earmuff Expander Bar, 9100 QR Westcott Enhance your ear defence with

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Replacement part may extend respiratory equipment service life

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3M™ Speedglas™ Earmuff Expander Bar, 9100 QR Westcott Enhance your ear defence with3M Speedglas Earmuff Expander Bar, 9100 QR The 3M Speedglas Earmuff Expander Bar, 9100 Quick Release (QR) is designed for use with 3M Speedglas Welding Helmet 9100 QR when used with 3M Earmuffs and 3M Hard Hat H 701R. Includes earmuff bar and two outside pivot cover plates. Details: Designed to be used with the 3M Speedglas Welding Helmet 9100 QR when used with 3M Earmuffs and 3M Hard Hat H 701R. Includes earmuff bar and two outside pivot cover plates.