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† This lamp is better for the environment because of its reduced mercury content. All Philips ALTO options which can simplify and reduce your lamp disposal costs depending on your state and local regulations.
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3) Approximate initial lumens.The lamp lumen output is based upon lamp performance after 100 hours of operating life under standard laboratory conditions. This lamp is better for the environment because of its reduced mercury content. All Philips ALTO on your state and local regulations.