12 Inch T5 UVB Bulb for Reptiles (Fits 12" Fixture) | Arcadia ShadeDweller

Precision UVB lighting designed for smaller enclosures and shade-dwelling species. The Arcadia 12" T5 UVB Bulb (ShadeDweller™) delivers a gentle, consistent level of UVB designed specifically for crepuscular and shade-dwelling reptiles. This SO-T5 (Standard Output) lamp provides safe, controlled UV exposure to support proper calcium metabolism, natural behaviors, and healthy D3 cycles.

Built with high-quality engineering, this bulb produces stable UV output while remaining energy efficient—making it ideal for smaller or lower-height enclosures.

Key Features:

• SO-T5 (Standard Output) UVB bulb for controlled exposure • Designed for shade-dwelling and crepuscular species • Supports calcium metabolism and overall reptile health • Ideal for smaller or shallow enclosures • Energy efficient 8-watt design • Long-lasting, stable UVB output

Size Compatibility:

• 12" T5 UVB Bulb (SO-T5) • Fits standard 12" T5 fixtures

👉 T5 bulbs are measured by bulb length, not fixture size.

Select Your UVB Type:

• 2.4% UVB – Ideal for very low UV species and minimal exposure setups • 7% UVB – Forest – Perfect for most shade-dwelling reptiles and moderate UV needs

Compatibility Note:

• Designed for T5 SO (Standard Output) fixtures • Not compatible with T5 HO fixtures

Specifications:

• Bulb Length: 12" • Fixture Fit: 12" T5 fixtures (SO-T5) • Wattage: 8 watts • UVB Options: 2.4%, 7% • Bulb Type: T5 SO (Standard Output) UVB

Installation Notes:

• Requires T5 SO fixture (sold separately) • Always turn off power before installing or removing bulb • Replace regularly to maintain proper UVB output

⚠️ Due to the nature of bulbs, returns are not accepted. Please confirm size before ordering.

What’s Included:

• (1) Arcadia 12" T5 SO UVB Bulb (selected type)

💡 Pro Tip:

Use 2.4% for minimal exposure setups and 7% for most shade-dwelling reptiles.