3M Versaflo Chin Strap M-958/L-112 2/Case

The M-958/L-112 Chin Strap is for use with all 3M(TM) Versaflo(TM) M-Series or 3M(TM) L-Series products. It helps hold the headgear in place on the user. The chin strap is optional and is not required for safe use of the headgear.