... Free sample are avilable -for LEDsell LED phosphor t8 18w 36w daylight 6500k tri-color phosphor fluorescent tubeCharacteristics:Compared with incandescent lamps, general ... , or can accept OEM production8) Fluorescent powder: Tri-phosphor9) Color Temperature: 2700K, 3000K, 4200K, 5000K, 6500K, 7000K, 10000K, 12000K10) CE CRI(color ... store in a clean and dry environment. Sell LED YAG phosphor powder