Reflector can effectively illuminate the lamp light It can be used according to your breeding environment. Product Size (W x D x H): 35.4 x 7.9 x 3.7 inches (90.5 x 20 x 9.5 cm); Compatible Models: Glass Stellarium 9030 / 9045 / 9060 / 9060 / 9060 cm); For Cages, Individual Size (W x D x H): 37.4 x 4 inches (9 inches (90000 x H)