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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
and ETL certified
passive CO2 production for up to 2 weeks
The carrier used has greater potential to burn than the powder
Use for approximately one week only
250w Sylvania Metal Halide Lamp Grow Media and ETL certifiedHigh performance Sylvania metal halide lamps are among the most energy efficient sources of white light available today for many interior and exterior applications. Please note that metal halide lamps cannot be operated without a ballast.
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