QAP1011 Features: * Lamp * Simulates the midday tropical sun * Casts sparkling blue-while daylight rays * Fish, coral, macroalgae and plants thrive in its glow * Bright, high-intensity output Options: * Available in 18"", 24"" and 36"" sizes Color/Finish: * 10,000k VHO high-intensity purified super daylight lamp with rare Earth color enhancing phosphor Specifications: * In 15 and 20W Dimensions: * 18"" Weight: 0.33 lb * 18"" Dimensions: 6"" H x 5"" W x 20"" D * 24"" Weight: 0.58 lb * 24"" Dimensions: 7"" H x 6"" W x 26"" D * 36"" Weight: 0.75 lb * 36"" Dimensions: 7"" H x 6"" W x 38"" D