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LED High Bay Light 150W 21000 LM with US Plug 5ft Cable, 5000K Daylight, IP65 Waterproof, Non-Dim, UFO Commercial Warehouse Workshop Factory Barn Garage Lowbay Area Lighting Fixture - - Amazon.com
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Philips goes for 210 lm/W bulbs with fanfare, but could have done it earlier
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TLW | What Does LM Mean in LED Lighting? - YouTube
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