Dymax 2ft twin 55Wx2 Rex series is made with 2 x 55W T5 tubes to provide optimum lighting effect with full coverage of the colour spectrum to the aquarium. The lamp has a slim and aerodynamic design with the lowest heat radiation and energy consume. The reflector is designed to provide deep water penetration spectrum. With all the unique design and considerations, the REX lighting has provide world class aquarium lightings for its innovation.