The 3M™ Speedglas™ Crown 9100 FX is used with the 3M™ Speedglas™ 9100FX Complete Helmet Assembly.3M Speedglas Crown 9100 FX helps protect the user from welding spark and spatter on the top portion of the head.
9100 FX
Extended coverage head cover
Replacement part for 3M™ Speedglas™ Welding Helmet