Outstanding heat rejection and color stability — the smart choice for value and performance.Nano ceramic Series(TN)Light Grey Solar Window FilmsHeat & Protection SpecsVLT %: 50% IRR(%) 950nm: 91% IRR(%)-1400nm: 98% UVR %: 99% TESR% :69% THICKNESS2mil SIZE1.52*30m/roll WARRANTY7 Years ITEM NO.TNW50