BELL Spiral lamps are designed to directly replace incandescent and halogen lamps. They are available in 11 Watt 15 Watt, 20 Watt, 23 Watt and 25 Watt with a cap choice is BC and ES to suit your needs. These give both ongoing reduced energy consumption and reduced replacement cost due to the significantly increased life. Some of these last up to 10 times longer than the incandescent filament or halogen lamp they replace. When both these benefits are taken into consideration, these lamps offer real ongoing value and ongoing savings versus the lamps they are replacing.This list is not exaustive, if you cannot find what you are looking for, please call for further help.