This PLT TL5C55W/840 55-watt, T5 circline fluorescent lamp has a color temperature of 4000K and a CRI of 85. The combination of a preheated ballast with this circular tube makes it a programmed start lamp, giving the bulb an average rated life of 20,000 hours based on 12 hours per start. Measuring 12 inches in diameter, this fluorescent circline tube has a 2GX13 base and an initial lumens of 4,200. Sold only by the case of 10.
Mercury containing products sold into the state of WA include an environmental handling charge of .25/each