Newer metal-halide technology, referred to as "pulse start," has improved color rendering and a more controlled kelvin variance (±100 to 200 kelvins). 250-Watt Metal Halide. At Bulbs.com you can purchase over 60 different Metal Halide Light Bulbs from brands like Plusrite, Philips Lighting and Sylvania. FREE Shipping on orders over $25 shipped by Amazon. Metal Halide Ballast (ANSI Code M58) and ENCLOSED FIXTURE required This LED Retrofit results in an energy saving of $1,614.00 per fixture*. SYLVANIA General Lighting Sylvania GIDDS-2490961 Metalarc Metal Halide Lamp, Ed28, 250 Watt, 132 Volts, E39 Mogul, Clear, Universal Burn, 4200K. The color temperature of a metal-halide lamp can also be affected by the electrical characteristics of the electrical system powering the bulb and manufacturing variances in the bulb itself. Sunlite MH400 ED 37 Metal Halide Bulb. A Metal Halide is a light bulb that typically used for outdoor lighting available with a high lumen to watts output. Philips 400-Watt ED28 HID Switch Start Metal Halide High Intensity Discharge Light Bulb Model# 140848 $ 28 74 $ 28 74. You will receive 1 piece. Lumen depreciation in a metal halide bulb is quick. $14.42 $ 14. ... >> Read More Reviews On Supreme-Hydroponics 48911 Metal Halide Bulb, 250-watt Here << Philips Lighting 274845 ED28 Standard Metal Halide Lamp 250 Watt E39 Mogul Base 13500 Lumens 65 CRI 4000K Cool White. Universal Position 100 Watt LED Replacement Bulb. More Buying Choices $15.78 (6 new offers) SYLVANIA General Lighting Sylvania GIDDS-2490961 Metalarc Metal Halide Lamp, Ed28, 250 Watt… High efficiency, bright white light for commercial lighting applications. 4.0 out of 5 stars 16. ... A 400 watt Mercury vapor light bulb produces roughly 23,000 lumens. Skip to main content. High performance SYLVANIA METALARC® metal halide lamps are among the most energy efficient sources of white light available today for high and low-bay interior and exterior, street and area lighting applications. In comparison to a 400 watt metal haloid and or high-pressure sodium, not as good. It is not uncommon to lose as much as 20% in the first 6 months alone. Most large fixtures use metal halide bulbs. LED Corn Lights. But in reality, a Metal Halide bulb starts off very bright and then drops its lumens. FREE Shipping. 3.0 out of 5 stars 4. A new metal halide bulb can get almost 100 lumens to watt. Metal haliod and high-pressure sodium produces 30,000 lumens. Limit 35 per order. Schedule delivery . Find 250 Watt - Metal Halide - Clear - Universal Burn at 1000Bulbs.com. Commonly a 250watt, 400 watt or 1000 watt. LED corn Lights that are equal to metal halide 250 watt light bulbs. It is a known fact that plants need light to grow. Metal Halide Ballast (ANSI Code M58) and ENCLOSED FIXTURE required. Initial lumens is a very high number.