Philips Energy Saving LED 17-Watt A21 household light is ideal for use in kitchens, living rooms, bedrooms and hallways. When lit, this bulb produces a beautiful, soft white light similar to incandescent. The unique shape of this bulb enables its long life, comfortable light and energy saving benefits. ENERGY STAR certified and fully dimmable, this medium base A21 replaces your current 75-Watt incandescent A21, saving you up to $159.50 in energy costs. Philips Energy Saving LED A19 household light can be used in table and floor lamps, pendant fixtures and ceiling fixtures.