I have a Radion XR15pro G4 that was used one time for a study here-
https://www.reef2reef.com/threads/the-real-black-box-light-study.503052/
$325 w/free shipping to lower 48----SOLD
https://www.reef2reef.com/threads/the-real-black-box-light-study.503052/
$325 w/free shipping to lower 48----SOLD
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