Wanna know a trade secret? Spiral CF bulbs are the cheapest CF bulb you can buy for desk lighting, porch lighting, and any fixture that encloses or hides the bulb.

The spiral shape costs less to make, so you pay less for it. As long as you don't see it, who cares what it looks like? Just look for the "soft serve" spiral shape. Even better, this 9 watt model is an Energy Star-approved compact fluorescent light bulb.

Tip: Suitable for enclosed and open shades and fixtures.

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