Philips 400w ED28 Pulse Start 4000K Cool White E39 Metal Halide Light Bulb

HID Bulbs produce high output for their size making them a compact powerful & efficient light source

HID Bulbs are used for general lighting, professional lighting fixtures, growing applications

HID bulbs put out around 3-5 times greater output (lumens per watt) than traditional halogen bulbs

Philips ED28 bulb, 400W,

Base: E39 Mogul Screw, Rated Life (hours): 20000, Color Temp: 4000K, Luminous Flux (LM): 40000