CR2032 Suits Helmet Models:
> Weldclass Mach 3 / Mach 4 / Promax 300 / Promax 350
> Some Speedglas models (ref 422000)
> & Various Others
CR2450 Suits Helmet Models:
> Weldclass Mach 6 / Mach 2 / Platinum 600 / Promax 500
> Miller Elite, Titanium, Performance (ref 217043)
> WIA Blue (except early models)
> Cigweld ProPlus
> Liquidarc Dominator
> & Various Others