Ideal for Freshwater and Planted Aquariums. Freshwater Aqualight T5 Series - Double Linear Strip is a sleek and streamlined fixture designed to enhance and complement aquariums. Its compact and low-profile style is suitable where space is limited. The Colormax full-spectrum T5 fluorescent lamp has color enhancing phosphors that emit light from 350 to 750 nanometers and 6,700K lamp provides aquatic plants with the light energy necessary to stimulate lush growth. Size: 36"". Dimensions: 34.38""L x 1""W x 3""H. 21W Colormax and 6700K Plant Bulb.