SYLVANIA 64492 - 400 Watt - BT37 - Metal Halide Unprotected Arc Tube - White Coated - 3700K - ANSI M59/S - Mogul Base - Universal Burn - M400/C/U Track BT15 bulb offers 800 lumens

BT15 bulb offers 800 lumens of brightness

Sunlite high wattage spiral compact fluorescent lamps give off a daylight light much like a 400 watt incandescent bub

This energy saving 65 watt 6500K

medium base bulb offers 5000 lumens of light output and has an average rated life of 8

Philips 15143-1 - 70 Watt - PAR30L Flood - Pulse Start - Metal Halide Protected Arc Tube - 4000K - ANSI M139/O - Medium Base - Universal Burn - CDM70/PAR30/L/M/FL/4K Philips 15143-1

SYLVANIA 64492 - 400 Watt - BT37 - Metal Halide Unprotected Arc Tube - White Coated - 3700K - ANSI M59/S - Mogul Base - Universal Burn - M400/C/U Track BT15 bulb offers 800 lumensSYLVANIA 64492 400 Watt BT37 Metal Halide Unprotected Arc Tube White Coated 3700K ANSI M59 S Mogul Base Universal Burn M400 C U