A revolutionary new range of high performance T5 reptile lamps from Arcadia. Offering a significant increase in both visible light UV output compared with the T8 lamps of similar length. This D3 Reptile Lamp is specially designed to help create the right conditions for forest species. 6% UVB for the synthesis of vitamin D330% UVA Produces excellent natural colours 200% more visible light than equivalent length D3+T8 lamp 80% more UVB than equivalent length T8 lamp