Description: The 120-volt LED bulbs, sold as 6- 8- and 9-watt bulbs (equivalent to 40 or 50 watts), were marketed under the brand names Definity, EcoSmart, Sylvania and Westinghouse. The model numbers A19, G25 and R20/PAR20 are found on the packaging and on the light-colored circular neck above the base of the bulb where the date code is also printed. The date code reflects the week and year of manufacture; for example date code L4010 was produced during the 40th week of 2010. The date codes listed below may have the letters “CH ” or “MX ” at the end. For example, date code L4010 can also appear as L4010CH or L4010MX. The date codes are:

 L4010  L4110  L4210  L4310
 L4410  L4510  L4610  L4710
 L4810  L4910  L5010  L5110
 L5210  L0111  L0211  L0311
 L0411  L0511  L0611  L0711
 L0811  L0911  L1011  L1111

Hazard: The bulbs can overheat during use, posing a fire hazard.

Remedy: Consumers should immediately remove the bulbs from sockets and lamps and contact Light Science Group for replacement bulbs.

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