Philips DuraMax 30/70/100-Watt 3-Way A21 household light bulbs produce three-different levels of light and are ideal for use in kitchens, living rooms, dining rooms, offices, family rooms, bedrooms and hallways. They provide a soft, white light helping to create a relaxing and comfortable environment. Philips DuraMax household light bulbs can be used in open hanging pendants, table/floor lamps and ceiling mounted fixtures and last longer than standard incandescent bulbs, reducing the hassle of replacing burned out bulbs every few months.