LED bulbs are a good choice because of the long lifespan, for example. Since this bulb has the quite common E27 socket, it will fit in many light fixtures.
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GIMA 28654 Bulb, for Infrared Therapy Lamp, 250W
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Infrared light bulb Philips 923212043801 250 W E27
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Infrared light bulb Philips 923212043801 250 W E27