astmi Report post Posted January 9, 2016 Would anyone have an idea on how to remove the 3 M mask on a MH ? SOS please help. I tried to contact 3M, but they don't reply to request. Share this post Link to post Share on other sites
wolfe10 Report post Posted January 9, 2016 Here is an earlier discussion here on the FMCA Forum: http://community.fmca.com/topic/4014-diamond-shield-removal/?hl=remove#entry58675 Share this post Link to post Share on other sites