This bulb has an estimated lifespan of about 24 000 hours. This particular model has a so-called G5 socket, so make doubly sure that it will fit.
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Osram 4.0083219121e+012 Fluorescent Lamp FH 21w/840 HE 16 mm
LED Bulbs
Osram T5 Fluorescent Tube 21W 849mm 33 Inch Cool White - 591407
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