The Arcadia D3 Forest Reptile T5 Lamp 6% UV-B lamp is the replacement T5 tube for the Pro T5 UVB Kit and LumenIZE Pro T5 UVB Kit. The Arcadia D3 Reptile HO-T5 Lamp 6% UV-B lamp has a greater output and better level of energy efficiency than older standard output T8 lamps. The Arcadia D3 Reptile HO-T5 Lamp generates 6% UVB and 30% UVA by using the latest fluorescent tube technology. The Arcadia D3 6% UV-B Reptile lamp provides essential UVB light for your reptile, perfect for forest species and those within Ferguson Zone 1-3. This lamp provides safe levels of UVB for a year. All of their UVB percentages are measured as part of the total output of light from the lamp and after the all-important first 100 hours of output. You can be rest assured that by using Arcadia D3 and D3+ lamps that you are providing the very best in T5 technology. As full spectrum lamps, they help simulate sunlight. This provides high color rendering for enhanced viewing of your reptiles and their environment. The color temperature of 6,500K replicates typical daylight conditions. The Arcadia D3 and D3+ UVB lamps are effective to for one whole year and will keep your animal in tip top condition. Suitable for Leopard Geckos, Chameleons, Turtles & Terrapins, Corn Snakes, Tree Frogs, Crested Geckos and Royal Pythons.