SATCO Lighting Satco S8334 3000K 18-Watt G24q-2 Base T4 Quad 4-Pin Tube for Electronic and Dimming Ballasts

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.

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