This face seal is a replaceable spare part for the 3M™ Speedglas™ Welding Helmet 9100-Air.
3M™ Face Seals are designed for use with 3M™ Air feed welding helmets. This spare part replaces worn, damaged or unhygienic face seals. Genuine 3M™ Accessory. For maximum safety and comfort, regularly check your equipment for worn or damaged parts.