Mammoth Lighting UV Upgrade Kit for Mint White SeriesUV Upgrade kit for Mint White Series. Includes: 2 UV bars (UVA + UVB) + 100w driver to clip onto the Fold Series. Does not include the full Mint White Series Light (purchase separately) Can also be used as a stand alone option. UV bars + driver and plug. UVA (395nm) + UVB (310nm). Recommendation is to hang between existing bars or lights and plug in for the last 2 3 weeks of flowering. Why UV? UV wavelengths can change the color, flavor, and smell of