The Exo Terra Reptile UVB300 VHO T5 Bulb is designed for reptiles that thrive under intense, direct sunlight, such as desert and savannah species. Delivering a powerful 14% UVB output, the highest in the T5 series, it supports Ferguson Zones 3–4 and provides the high UV levels needed for optimal vitamin D3 synthesis, healthy bone development, and the prevention of metabolic bone disease (MBD). Featuring the advanced Sunergy™ phosphor blend, engineered with German precision technology to closely replicate the sun’s natural UV spectrum, this bulb offers superior UVA and UVB performance with enhanced penetration for taller terrariums. Ideal for large enclosures, it maintains biologically effective UVB output for up to 12 months and integrates seamlessly with Exo Terra T5 fixtures, making it a reliable, high-performance solution for creating naturalistic, high-UV habitats that promote reptile health and vitality. 

• Long lasting Very High Output (VHO) UVA & UVB light
• Unique phosphor blend replicates solar UVB
• Suitable for animals basking in open or mid-day sunlight
• UVA rays stimulate appetite, activity and reproductive behaviour
• UVB helps prevent Metabolic Bone Disease
• Helps promote healthy Vitamin D3 synthesis
• Maximizes calcium absorption
• Replicates vital parts of the sunlight spectrum
• Superior UVB penetration, ideal for tall terrariums
• Recommended for use with the T5 Terrarium Top

Available in the following models:

• 8W 12" (300mm)
• 24W 22" (550mm)
• 39W 34" (850mm)
• 54W 46" (1150mm)* In Store Only