The ScentSationals 40 Watt Replacement Wax Warmer Clear Light Bulb works perfectly with ScentSationals and Better Homes Gardens decorative wax warmers. It provides a safe and clean heat source for melting wax cubes for great compatibility and scent dispersion throughout your home. This highly efficient light bulb can burn for 1000 hours each. It fits a ST38 style base candelabra warmer. This bulb aids in setting the scene for a comforting, soft, and cozy environment when paired with your favorite scented wax melts and decorative warmers by ScentSationals and Better Homes Gardens. This is the recommended choice for your Better Homes Gardens and/or ScentSationals Edison wax warmers to provide a calming effect for your living room, kitchen, or bedroom. Fragrances and warmers are sold separately. Fits most Edison style wax warmers Contents: 1- 40W Light Bulbs Brightness: 120 Lumens Light Appearance: 2700 K (Warm) Estimated Energy Cost: $5.77 per year (Based on 4 hrs/day 9.88 cents per kWh) Cost depends on rates and use Energy Used: 25 Watts (1500 hours) Style: ST38 base candelabra Does NOT contain Mercury