100 Watt LED vs 500 Watt Halogen Floodlight Comparison - YouTube
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400W Metal Halide Bulb 500W Halogen Lamp LED Replacement 130lm/W 100W UFO LED High Bay Light - China LED High Bay Light, Highbay Light | Made-in-China.com
How many lumens does a 500 W halogen bulb produce? - Lunares blog
Chicago Electric 31307 500 Watt Halogen T3 Double Contact Bulb - Amazon.com
LED Flood Light 500W Equivalent - Change Halogen To LED
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Philips 500-Watt T3 Halogen Double Ended 4.7 in. Light Bulb (2-Pack) 415729 - The Home Depot