Blue Demon's True View shade 10 auto darkening lens fits most welding helmets with a 2" x 4-1/4" cartridge or lens. These economical replacement lens' feature Blue Demon's True View lens technology, carrying a 1/1/1/2 optical rating. 

Features
Completely Automatic
Two Independent Wide Range Sensors
Solar Power and Lithium Battery (2 x CR927)
UV/IR Protection up to Shade 15
1 Year Warranty

Quick Specs
Optical Rating: 1/1/1/2
Light State: 2.5
Dark State: 5-13 Variable
Switching Time: 0.20 - 0.40 ms
Cartridge Size: 2" x 4.25" x 0.3"
Viewing Area: 3.7" x 1.4" (5.18 sq inches)
Delay Time: Adjustable Short to Long
Sensitivity: Adjustable Low to High
TIG Rating: > 5 Amps
Sensors: 2
Weight: 0.08 lbs
Operating Temp: 50° F - 131° F