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Title: These bulbs burn out within two years of occasional use
Review: Do not buy these bulbs expecting superior life to traditional incandescent bulbs. We bought 12 of them in January 2008 and cycled them into our ceiling fixtures and floor lamps as the old incandescents burned out. Well, these burn out even faster than the old bulbs: only one remains uninstalled at this point and six of them, half the number we purchased, have already failed: a faster, not slower, rate of failure than incandescent bulbs. The five-year guarantee, as noted by another reviewer, is worthless since it involves mailing cost to Canada.The "green" advantages of buying bulbs that use less energy than incandescent bulbs is compromised when the flourescent bulbs are of poor quality. These bulbs contain mercury, and they are more expensive to manufacture (use more resources to make) than incandescents. It burns me up that we are dumping mercury and extra resources back into the waste stream after only one to two years.
