3M Speedglas FX Air Face Seal
The 3M Speedglas 9100 FX air face seal is a replacement part which fits the 9100 FX series of air fed welding helmets. Ideal for maintaining positive pressure within the helmet. Designed for a comfortable fit while welding using the 3M adflo powered air unit. Typically replaced at least every two months, replace earlier in really dirty environments or when the seal becomes unhygienic. Please Note: Product image is of the older style of Face Seal, new Face Seals do not include the top portion of the seal.