Key Features Black replacement unit (72461) High quality replacement long life light units Plugs directly into a biOrb 12V DC transformer (sold separately) LARGE model fits: CUBE 30 & 60 / LIFE 30, 45 & 60 / FLOW 15 & 31 Please note: these lighting units ONLY work with the biOrb Power Supply 12V DC Replacement Spare Part 73114. They will NOT work with the older biOrb transformer Oase biOrb supply a range of replacement DC Classic LED lights for the biOrb aquariums, giving you more choice in the way to customise your set up Please note these newer lights only work with biOrb DC transformers (73114). These can usually be identified as they’re white in colour. These lights will NOT work with older AC transformers (transformer not included with this product). Please see below in the specifications to check which Oase biOrb tanks are compatible with these DC Classic Lights. A simple replacement for your Classic BiOrb LED Light. A high quality replacement long life LED light for your biOrb