Plusrite 2405 250W - T15 - Metal Halide - Aquarium Lamp - Unprotected Arc Tube - 20000K - ANSI M58/E - Horizontal Burn - MH250/T15/HOR/20K Plusrite USA produces and carries a variety of quality products in the Lighting industry Plusrite brand bulbs for great performance Our products are high quality, reliable and durable, Clear