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Philips 415729 500-Watt 4.7-Inch T3 RSC 120-Volt Light Bulb with Double Ended Base, 2-Pack - Halogen Bulbs - Amazon.com
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Philips Halogen 500-Watt T3 Work and Security Light Bulb, Clear Bright White, Dimmable, Double Ended Base (2-Pack) - Walmart.com
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Philips 39 Watt Halogen Flood/Spot Medium Screw Lamp 2,900°K Color Temp, 500 Lumens, 120 Volts, Dimmable, PAR30S, 1,100 hr Avg Life 428960 - 82179870 - Penn Tool Co., Inc
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JTT130V500WE40C - 130 volt, 500 watt, JTT T14 Double Envelope Halogen Bulb, E40 Mogul Screw Base, Clear Glass
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Utilitech 500-Watt EQ T3 Bright White Recessed Double Contact Halogen Light Bulb (6-Pack) in the Tube Light Bulbs department at Lowes.com
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Southwire 500-Watt EQ T10 Bright White Mogul Base (e-40) Halogen Light Bulb in the Tube Light Bulbs department at Lowes.com
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Philips - 500 Watt, 120 Volt, Halogen Miniature & Specialty T6 Lamp - 54025945 - MSC Industrial Supply
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