These "replacement" bulbs cost twice as much as ordering directly from DynaTrap. They showed up with next day delivery. They were sent in small boxes with very little protection inside a bubble envelope. I can imagine that these lamps are easily damaged in transit if mishandled. Mine arrived in good condition. I took out the old lightbulbs and immediately replaced them with new ones. The lights didn't come on. I've tried refocusing, dropping them, twisting them all to no avail. Overall I found these lamps to be of terrible quality and overpriced. I ordered a replacement set direct from DynaTrap for almost half the price I paid from Revain. I do not recommend this product.
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