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Osram's 40W Replacement Ultra LED shines (pictures)

This 40W replacement keeps things simple and offers solid value.

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Ryan_Crist2.jpg

Ry Crist

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1 of 8 Tyler Lizenby/CNET

Osram 40W Replacement Ultra LED

Osram's 40W Replacement Ultra LED is a low-cost bulb that offers a simple design and solid performance. Click through for a closer look.

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Lighting specs

Osram's "soft white" bulb puts out 450 lumens at a color temperature below 2,700K, which puts it at the reddish-yellow end of the spectrum.

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Daylight, too

For a hotter, whiter color temperature of 5,000K, a "Daylight" version of the bulb is available for a dollar more.

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4 of 8 Ry Crist/CNET

Omnidirectionality

The bulb features an omnidirectional design, which means it puts light out evenly in all directions. You'll want that downward light if you're ever using it in a bedside reading lamp.

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Energy efficiency

Osram's LED draws just 6 watts, making it one of the most efficient 40W replacements you can buy. Like most LEDs, it promises to last for 25,000 hours -- well over 20 years if used for 3 hours a day, on average.

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Smaller heat sink

The bulb also features a smaller heat sink than most LEDs. This leaves more room for the bottom hemisphere of the bulb, which is where that downward light comes from.

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Dimming performance

Osram's LED is compatible with dimmer switches, though we did detect a small amount of flicker with some switches on low settings, as you can see in this GIF.

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8 of 8 Tyler Lizenby/CNET

Price point

The Osram 40W Replacement Ultra LED sells for $8 at Lowe's, and comes with a 5-year warranty. Read our full review to see how it compares with the competition.

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