Philips 143552 50-watt ER30 Incandescent Elliptical Reflector Light Bulb Philips 50-Watt ER30 elliptical reflector light bulbs are the perfect shape for your indoor recessed cans and track light fixtures Ideal for use in kitchens, living rooms, dining rooms, offices, family rooms, bedrooms and hallways Fully dimmable so you can dramatically change the mood, look and functionality of any room in your home Provides a soft, white light to create a relaxing and comfortable environment ER30 shape, Medium Base