מינרל מדען אולי 500 watts to lumens הפסד מדבקת בהחלט
GE Halogen T3 Bulb 120V 500 Watts R7S base Clear 11K Lumens - 5 Pack 43168993807 | eBay
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135 Watt Stubby LED Corn Bulb, Replaces 500 Watt HID, 20,250 Lumens, DLC listed, ETL Listed, 50,000 Hours, 10 Year Warranty - LED Global Supply
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GE Ceiling Fan LED Light Bulbs, Candelabra Base, Soft White, Clear, Dimmable, 500 Lumens, 5.5 Watts, 2-Pk. | Miami Home Center
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Feit Electric Utilitech high lumen 500-Watt EQ Daylight Medium Base (e-26) LED Light Bulb in the General Purpose LED Light Bulbs department at Lowes.com