Headgear assembly of 3M™ reusable masks 6500QL, 6581 series

3M reusable respirator head assembly, for 3M reusable respirator 6500QL, 6581 series The 6581 is a head strap assembly designed for the 6500 series reusable respirators. They are a replacement item and, as such, allow you to cost-effectively repair a damaged set, restoring it to full functionality at a low cost. It is always a good idea to have spare parts on hand, which, in case of sudden damage to the tapes worn so far, will allow immediate replacement and return to work in full protection.