SYLVANIA 64578 - 250 Watt - BT28 METALARC - Pulse Start - Metal Halide - Unprotected Arc Tube - 4200K - Mogul Base - ANSI M153/M138/E - Base Up Burn - MS250/PS/BU-ONLY Wall_Mount Contains no mercury and doesn't

Contains no mercury and doesn't release any hazardous gasses so there's no need to worry if a bulb breaks and no need for recycling as with CFLs

Mogul (E39) Base

Fluorescent lamps can cost significantly less to operate over their lifetime than incandescent lamps

Color Temperature 5000K

42-Watt: 2800 Lumens

SYLVANIA 64578 - 250 Watt - BT28 METALARC - Pulse Start - Metal Halide - Unprotected Arc Tube - 4200K - Mogul Base - ANSI M153/M138/E - Base Up Burn - MS250/PS/BU-ONLY Wall_Mount Contains no mercury and doesn'tSYLVANIA 64578 250 Watt BT28 METALARC Pulse Start Metal Halide Unprotected Arc Tube 4200K Mogul Base ANSI M153 M138 E Base Up Burn MS250 PS BU ONLY