Product details:
ThisA80 (theTunaBlue) versionisforreeftanks. Coverageis14" to24" dependingonthescenario. Entrylevelreefswithlowlightdemandwillhavea20-24" coverage (6" abovewater). Forlargefishonlytankswithlowlightdemandcoverageisupto24" (6"-8" abovewater).