Led clear pvc cover 1.Good heat dispersion 2.10years manufactures experience 3.High efficiency and energy- ... ,POM,TPE,TPV,HIPS,PC,:PMMA,Acrylic,Nylon . 3)Good heat dispersion4)PC cover is good for tenacity and quakeproof5)Tube ... with transmission rate at 92%.10). Good quality and good heat dissipation.11). Different kinds of base for your choice, make it ...