6% UV-B content to support forest reptile species synthesis of vitamin D3. A full spectrum fluorescent lamp designed to simulate, as closely as possible, the spectrum of natural sunlight. This includes UV-A and high levels of UV-B. Resembles natural sunlight at 5800K Long life, 12 month lifespan before a change is required Made in Germany by the worlds experts Produces excellent natural colours Flicker free (T5) tr> UV-B 6% UV-A 30% Kelvin (T8) 6600K / (T5) 7000K Diameter T8 Ø26mm / T5 Ø16mm Full Spectrum Lamps Arcadia Reptile D3 and D3+ T5 lamps have been specifically designed with animal health in mind. We are proud to have the world’s highest output T8 lamps in 6% and 12% UVB. Safe levels of UV-B for a year All of our 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 Reptile D3 and D3+ lamps that you are providing the very best in T5 technology. The Arcadia Reptile D3 and D3+ UVB lamps are effective to for one whole year and will keep your animal in tip top condition. Replicates typical daylight Arcadia Reptile T5 D3 and D3+ lamps have a high UV-A output (30%), providing all the elements which are so vital to the welfare of the reptiles. As full spectrum lamps, they help simulate sunlight. This provides high colour rendering for enhanced viewing of your reptiles and their environment. The colour temperature of 6,500K replicates typical daylight conditions.