There are 3 different qualities available for Northstar glass:
Luna Blue UV Rod
From 5,27€ Tax excl.
NS-145 Luna is a clear glass that fluoresces blue under a U.V. light source. Recommend to use an ultraviolet L.E.D. flashlight with a 365Nm-395Nm range for the brightest blue glow. This is a stable glass and can be used in any type of flame. No uranium is used in this glass.