Unique Bulbs (Pack of 2) F13T5/CW 13W T5 Fluorescent Cool White 4100K - Super Long Life

Overview

Refresh spaces with the Unique Bulbs F13T5 CW tubes. This pack of two 13W T5 fluorescent tubes delivers crisp, cool white illumination at 4100K, crafted for reliable performance in a compact 21 inch straight form. With a G5 mini bi-pin base and a long life rating, these tubes are designed to slot into compatible fixtures for steady brightness over time.

Ideal for home offices, workshops, display areas, and task-focused rooms, these tubes offer a practical balance of efficiency and dependable light output. The compact design helps streamline fixture fit while the cool white tone supports clarity and focus without overpowering color accuracy.

What you get

• Pack of 2 F13T5/CW tubes
• 21 inch straight tube length
• G5 mini bi-pin base for compatible fixtures
• 4100K cool white color temperature
• 13 W power draw

Key benefits

• Long-life design with up to 12,000 life hours
• Energy-conscious 13W operation
• Consistent cool white illumination for tasks and detail work
• Dependable brand quality from Unique Bulbs

Real-world use cases include brightening home offices, garages, craft spaces, and display shelves where clear visibility matters. The 21-inch length suits many standard fixtures, while the 4100K tone provides a balanced, neutral glow that supports reading, writing, and fine-detail activities without creating harsh shadows.

Tips for best results

• Verify fixture compatibility with F13T5 CW tubes and the G5 base
• Handle with care to avoid glass damage
• Consider replacing in pairs when coordinating multiple tubes for even lighting

Note that performance may vary with fixture condition, ballast compatibility, and ambient temperature. Use these tubes as a practical option for improved brightness and consistent color in spaces that benefit from clear, task-oriented lighting.