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 Dimensions: Maximum Overall Length is

Dimensions: Maximum Overall Length is 11

16 inch diameter

Produces a comfortable 120° ray of bright 3000K warm white light at 1100 lumens

provides a light output of 2100 lumens at a Color Rendering Index (CRI) of 0 and can last an average of 20000 hours

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

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 Dimensions: Maximum Overall Length isSYLVANIA 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