3M Speedglas 9100 FX-Air 06-0400-56 Replacement Spring Mechanism, Black, One Size, Box of 2 Speedglas Welding Helmets This is recommended for use

This is recommended for use in high amperage welding or in conditions where long weld beads may generate radiant heat

adjustable head suspension

6 prefilters and 2 spark arrestors

arc welding safety

3M Speedglas 9100 FX-Air 06-0400-56 Replacement Spring Mechanism, Black, One Size, Box of 2 Speedglas Welding Helmets This is recommended for use3M Speedglas 9100 FX Air 06 0400 56 Replacement Spring Mechanism, Black Color, One Size Box of 2 3M Speedglas 9100 FX Air 06 0400 56 Replacement Spring Mechanism is a replaceable spare part for the 3M Speedglas Welding Helmet 9100 FX and 9100 FX Air. The spring mechanism is utilized in the flip up portion of the helmet. Available in Black Color, One Size, Box of 2.