Arcadia D3 reptile T5 Lamp 24w 550mmProductD3 Reptile T5 Lamp 24wT5 is more powerful than T8D3 is perfect for rainforest reptilesProvides vitamin D3Ideal for leopard geckos and other rainforest reptilesEasy to fitLength: 22" / 550mm Diameter: T5 Ø16mmLumens: 850lm Kelvin: 7000K kWh/1000h: 26Must pic..