Exo Terra Reptile UVB300 VHO T5 High Output Bulb

• Long lasting Output 
• Made in Germany
• Unique phosphor blend replicates solar UVA & UVB
• Suitable for open and mid-day sun baskers
• Ferguson Zone 3 & 4
• Helps promote healthy Vitamin D3 synthesis
• Maximizes calcium absorption
• Recommended for use with the T5 Terrarium Top

With its 14% UVB output, this bulb delivers the highest UV intensity among the T5 series, meeting the needs of reptiles requiring high levels of UVB exposure. Supporting Ferguson Zones 3-4 and the Euphotic and Heliophotic Zones, it provides the UVB necessary for open and mid-day sun baskers. The UVB300 is critical for maximizing vitamin D3 synthesis, which is essential for robust bone growth, healthy shells, and preventing metabolic bone disease (MBD). This bulb is ideal for large enclosures or terrariums with minimal shading, replicating the intense sunlight found in arid and semi-arid regions. Its high UV output ensures reptiles receive adequate exposure even at greater distances from the bulb. To avoid overexposure, the positioning and distance from the basking area should be carefully considered. When used alongside basking lights and proper thermal setups, the UVB300 creates a complete and enriching environment that supports the health and natural behaviors of reptiles in high-UV habitats.