SYLVANIA 64705 - 400 Watt - BT37 - Metal Halide Protected Arc Tube - 3600K - ANSI M59/O - Mogul Base (EX39) - Base Up Burn - MP400/BU-ONLY GROU provides a light output of

provides a light output of 2050 lumens at a Color Rendering Index (CRI) of 62 and can last an average of 8000 hours

UL listed & ideal for general indoor/outdoor Lighting applications

Uses One 75W (Max) A19 or Equivalent CFL- Lamp not Included

SYLVANIA 64469 - 1000 Watt - BT37 - Metal Halide Reduced Envelope - Unprotected Arc Tube - 3800K - ANSI M47/E - Mogul Base - Universal Burn - M1000/U/BT37 BT-37 bulb with a Mogul (E39) base

Energy Used: 40 Watts

SYLVANIA 64705 - 400 Watt - BT37 - Metal Halide Protected Arc Tube - 3600K - ANSI M59/O - Mogul Base (EX39) - Base Up Burn - MP400/BU-ONLY GROU provides a light output ofThe METALARC PRO TECH metal halide lamps were created to fill the need for a safe light source for applications where a protective lens on the metal halide fixture was either impractical or detrimental to fixture design. Please note that metal halide lamps cannot be operated without a ballast.