M250/U/ET18 250W Metal Halide Lamp – Compact Metal Halide Lighting Solutions The M250/U/ET18 is a 250-watt METALARC compact quartz metal halide lamp designed for use in enclosed fixtures. Featuring a reduced outer jacket and an E39 Mogul base, this lamp offers increased system efficiency and flexibility for industrial, commercial, and retail lighting applications. It operates universally and is suitable for ambient, canopy, flood, parking lot, and security lighting, making it a reliable choice for electrical distributors and lighting solution providers. Specifications Manufacturer: SYLVANIA Manufacturer Part #: 64474 Wattage: 250W Bulb Type: ET18 Base: E39 Mogul Finish: Clear Color Rendering Index: 65 Color Temperature: 4000K Diameter: 2.244 inches Product Weight: 5.9580 lbs Rated Life: 10,000 hours (average) Initial Lumens: 22,000 Mean Lumens: 17,500 Operating Position: Universal burn Features Reduced outer jacket for use in compact fixtures, enhancing fixture efficiency Universal burning position compatible with standard HID mogul sockets Clear finish for appealing, natural color rendering Enclosed fixture rated for safe operation Superior METALARC performance with energy-efficient output Designed to increase system efficiency and reduce installation costs Downloads & Links Spec Sheet Spec Sheet