J&J Electronics LPL-PR-WHT-120 Repl Bulb, J&J Electronics PureWhite Pro, 21W,115v, w/GasketPureWhite Pro LED Replacement White In-Ground Pool Lamp PureWhite LED Replacement Lamps are the brightest, most cost effective alternative to inefficient incandescent lamps. They immediately and significantly reduce energy consumption and maintenance costs. Plus, PureWhite Pro fits most standard pool light housings and comes with a highly durable silicone lens gasket made for use with LED lamps. PureWhite Pro Advantages: $2.93 a year to operate Up to $368/yr* Energy efficient, 21 Watts 300 Watt equivalent Fully dimmable Lasts up to 50,000 hours - 20x longer life* Replaces existing light bulb - eliminates the expense of housing replacement Enhances pool water appearance - looks cleaner and clearer Instant operating expense savings and break even within one year *Compared to incandecent lamps