Safety Alert!
3M has identified that X4 earmuffs, manufactured between March 2020 through September 2022, may develop cracks on the exterior surface of the cups. All products manufactured in this timeframe must be removed from service even if no cracks are visible on the cups.
Please reference the directions below to determine the products that are impacted by this notice and any replacement instructions. There have been no reports of injuries or accidents associated with this notice.
To see the full notice, click here.
