SYLVANIA 64492 - 400 Watt - BT37 - Metal Halide Unprotected Arc Tube - White Coated - 3700K - ANSI M59/S - Mogul Base - Universal Burn - M400/C/U Track Sunlite 30325-SU F21T5/841 4100K Color

Sunlite 30325-SU F21T5/841 4100K Color Temperature T5 Hight Performance Straight Tube Fluorescent 21 Watt lamp features a Mini Bi Pin base

Ultra efficient 14 watts of energy usage that averages at 35

For use with various bulb and Fixture types

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

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

SYLVANIA 64492 - 400 Watt - BT37 - Metal Halide Unprotected Arc Tube - White Coated - 3700K - ANSI M59/S - Mogul Base - Universal Burn - M400/C/U Track Sunlite 30325-SU F21T5/841 4100K ColorSYLVANIA 64492 400 Watt BT37 Metal Halide Unprotected Arc Tube White Coated 3700K ANSI M59 S Mogul Base Universal Burn M400 C U