Murphy's Mosquito Candle. All natural insect repellent candle. Palm wax infused with citronella, lemongrass and rosemary. Made in Raleigh, NC. DEET free and 100 percent plant-based ingredients. Each candle burns from 24 to 30 hours. 5 percent repellent oils, most brands have less than 2 percent (OFF Brand candles have .5 percent).. Each candle tin has a tin lid to keep the candle dry when not in use.