Flip-up with protective filter, PC lens, green IR 3, 1 unit(s)Flip up with protective filter, PC lens, green IR 3 For use with 5X9 safety glassesCan be easily fitted onto the glasses frame, removed again and replaced with another filter. Can be flipped up. Protection against UV and IR radiation and glare, as often occurs during welding processes. Application: for use in areas where welding work is taking place and when soldering. Use only for preparatory welding work. Not for welding work or flame cutting.