Satco Satco S8333 2700K 18-Watt G24q-2 Base T4 Quad 4-Pin Tube for Electronic and Dimming Ballasts

Size:Soft White (2700K) | Style:18Wt=75Wt Fluorescent lamps are phosphorous-coated tubes filled with a low-pressure mercury vapor. Light is produced by passing an electric arc between tungsten cathodes at opposite ends of the tube. This causes the mercury vapor to generate a radiant energy.