Sodium Flare Polycarbonate Glass Working Spectacles in P820 Wrap
Sodium Flare Polycarbonate Glass Working Spectacles in P820 Wrap Frame - 63/38-20-145mm
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Model P820 provides all the great features of a High Quality Wrap around Safety Frame (unifit nylon frame, wrap around design, rubber nose pads, Secure Fit nose Bridge) This frame is for a Medium to larger frame size.
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.