Quote:
Originally posted by kjord97
Just spoke to the USIHO gentleman here at MACNA in pittsburght and he said his bulbs have an avaerga life span of 6000 to 8000 hours. That is about 2 years of 8 hours a day. $75 dollars for the lamp 400 watt and it is not to much savings.
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Did he say 2 years for quality output? Or until the bulbs go out?
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