Replaces worn or damaged fastening harnesses maintains the appropriate level of protection and comfort kit includes a harness restraint and buckles. Specially designed for use with the complete masks reusable 3M™ Series 6000 quick and easy placement increases the life useful their team the harness restraint 3M™ 6897 is a spare kit fast and easy to attach. This harness is specially designed for use with masks complete reusable 3 M 6000 series™ and includes a harness restraint and buckles. Ensure you have the appropriate level of protection and work in comfort with the harness restraint 3M™ 6897. It is easy to install and helps increase the life of your full mask of the 6000 series. This kit includes a harness restraint and buckles; replace damaged or worn parts. It is specially designed for use with the complete masks reusable 3M™ 6000 series.