Ushio 1000213 - DPT INC120V-1000W Projector Light Bulb Incandescent bulbs are dimmable bulb and din not a have poor quality light as low energy bulbs best used in household and commercial lighting, decorative &amp; advertising lighting, portable lighting Stock now on Incandescent bulbs before 2012 phase out of incandescent light bulbs Ushio T20 incendescent bulb, 1000W, 120V, Base: E39 Mogul Screw, Rated Life (hrs): 50, Luminous Flux: 29000