SYLVANIA 64445 - 400 Watt - BT37 - Metal Halide Unprotected Arc Tube - 4200K - ANSI M59/E - Mogul Base - Horizontal Burn - MS400/HOR F40T12 On-time mode allows the light

On-time mode allows the light to run constantly

Provides up to 50

Features A Durable Steel And Plastic Casing While Containing No Hazardous Chemicals

An adjustable base allows you to direct the light for optimal coverage

Color temperature is 3000K (warm white) and the color rendering index (CRI) is 90

SYLVANIA 64445 - 400 Watt - BT37 - Metal Halide Unprotected Arc Tube - 4200K - ANSI M59/E - Mogul Base - Horizontal Burn - MS400/HOR F40T12 On-time mode allows the lightSYLVANIA SUPER METALARC lamps provide a higher light output than comparable standard metal halide lamps. The SUPER METALARC metal halide lamps are designed for use where an increased light output and a longer life is required. Please note that metal halide lamps cannot be operated without a ballast. *Mercury containing products sold into the state of WA include an environmental handling charge of . 95 each