These bulbs are great. They are not as fragile as the first compact fluorescent light bulbs (CFLs) I bought, some of which broke in transit. They replace incandescent lamps and save 70% electricity. This bulb replaces my reading light so my whole room is lit with 13 watts. However, be careful when choosing "soft white". If you buy regular CFL while fluorescing you will have an environment that is too harsh (white, blue) for normal home life. My previous CFL lasted 8 years; That meant they returned my investment many times over. At today's prices, you'd be crazy not to replace those hot, wasteful incandescent bulbs (1890's technology) with modern compact fluorescent bulbs (today's technology).
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