For : Rio® 240, Rio® 300, and Vision® 260. High-Lite® refers to the new light technology by JUWEL® Aquarium. It combines the existing tube lengths of the T8 with the new bright T5 technology. High-Lite® Marine tube creates intense white light with a colour temperature of 15000 Kelvin . It emulates natural reef colours.. For Saltwater we recommend following combinations: Marine + Blue The 1047 mm / 54 Watt High-Lite Tube can be used in a 120 cm light unit. The following aquariums can be fitted with this Tube: Rio® 240, Rio® 300, and Vision® 260.