SYLVANIA 64445 - 400 Watt - BT37 - SUPER METALARC - Metal Halide - Unprotected Arc Tube - 4200K - ANSI M59/E - Horizontal Burn - MS400/HOR

• Color/Finish: Clear
• Color Temperature: 4,200K
• Average Lifetime: 20000 hours
• Lumens (light output): 39000
• CRI: 65

Metal Halide; 400 W; Shape Designation Bt37; Position Oriented Mogul Base; Clear; Ansi Code/Ballast M59Tb; Initial Intensity 39000 Lumen; Color Rendering Index 65; Color Temperature 4200 K; Operating Position Horizontal; Overall Length 11-1/2 Inch