Sodium Flare Polycarbonate Phenom Metal Frame - 49/30-18-125mm
You will look great wearing the Model 850 Phenom designer safety glasses. Made of flex nickel and hand-made nylon materials, this frame is lightweight, flexible and comfortable. Mono block, spring hinges, and removable side shields add to the durability of this frame. Frame size 52-18-140 or 49-18-140.
This polycarbonate is very efficient in filtering sodium flare in addition to providing good ultraviolet protection. It is very comfortable for viewing under high ambient light conditions such as when working with glowing heat sources for a duration of time. Also, although it has a relatively low luminous transmission of 38%, it is not recommended for glassworking where Infrared protection is needed. This filter is more for soft glass usage.