https://www.ebay.com/sch/i.html?_nkw=3M+Auto+Darkening+Filter+2+8+X+4+2+Shades+5+8+13&_sacat=0&_dmd=2

3M Auto Darkening Filter, 2.8' X 4.2', Shades 5, 8-13

Regular price
$479.00
Sale price
$346.00

Auto Darkening Filter, 2.8 In. x 4.2 In, Shades 5, 8-13, For Use With G2442562, G1333482, or G2376753, Standards ANSI Z-87.1 - 2003t. For occupational use only