Harvard Technology has There are three: Elite 170 lm/W (pictured) “Market-leading lumens per watt output”, is claimed as is colour consistency – with 1/4 bin or up to single bin solutions. The range includes our GEN III LER1-4 products. Pro 160 lm/W Off-the-shelf. All whites from 2,700 to 5,000K available. Classic 145 lm/W Standard T5-T8 replacement led light …
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