High performance SYLVANIA METALARC metal halide lamps are among the most energy efficient sources of white light available today for many interior and exterior applications. The dual-watt SYLVANIA 64391 BT28 metal halide lamp operates at 320 and 350 watts and is rated for a 20,000-hour life and has a color temperature of 4300K. 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 .25/each
Broad range available— up to 1500W
Well-balanced white light, available in 3000K and
4000K correlated color temperature
Multiple choices allow design flexibility
Low initial costs
Universal operating position on most types
Lead-free welded base and lead-free glass
Durable mount structure and lamp construction
Available in clear and coated
High performance SYLVANIA METALARC® metal halide lamps are among the most energy efficient sources of white light available today for many interior and exterior applications.