Philips Dimmabe Spiral 20W latest and most powerful energy saver. This brilliant little energy saver light bulb is super compact, has more light and saves up to 85% of your energy. Best of all is that it will fit almost any light fitting in your home! Philips smallest energy savers are just as small as a traditional light bulb. You can now save energy and money in all your luminaries, without compromising on light quality