Candle Warmers Etc. NP4 Replacement Bulb Replacement bulb for use with candle warmer lamp; melts wax from top of candle to unlock aroma quicker Halogen bulb's concentrated narrow beam melts candle wax efficiently and safely; soft warm light Designed for use with pre-2008 lamp and lantern models only; burns for 800 to 1000 hours Measures approximately 2 inches wide by 2 inches deep by 2 inches high