Royal Designs LB-1005-6 Incandescent 3-Way 30/70/100-Watt A21 E26 130V Light Bulb, 6 pack, Soft White E26 Medium Brass Base 3 way light bulb - 30/70/100 watts Rated Life: 2500 hours Lumen ( light output ): 900 Packaging is highest quality and may vary slightly from photo.