ArcOne T240-10 Tradesman Auto-Darkening Horizontal Filter， 2 x 4-1/4 x 2-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Light state 3</li><li>Dark state 10.5</li><li>Two independent sensors</li><li>Economical， general use filter</li><li>Water and dust resistant</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31y5%2BbJjkoL.jpg" noproxy>