300+300+250=850 if u want it all.when i bought these i paid about 500ea. with a 6500k bulb so u are paying 50% of the new price.10k bulbs are about 100 bucks more so i am asking more.people have told me metal halides can last up to 18 months.ive only had these bulbs on for 6 hrs a day so i think they have lots of life still
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