4-FT LED T8 Tube – 18W, 180 lm/W, 5000K, Type B, Single or Double-Ended Power – FI G5 SERIES

Ultra High-Lumen 4-FT LED Replacement Tube, Type B Direct Wire, IP44 Rated, Ideal for Fluorescent Retrofits (120-277V)

The FI-T8-4FT-18W-HL-B(5000K) from the FI G5 SERIES is a high-performance 4-FT LED T8 Type B replacement tube delivering a powerful 3240 lumens at an ultra-efficient 180 lumens per watt. Engineered for direct-wire (ballast bypass) installation, it supports both single-ended and double-ended wiring configurations.

Built with a Type B internal driver, this energy-efficient lamp features an anti-UV frosted polycarbonate lens and aluminum thermal backing for maximum light uniformity and heat dissipation. Its 5000K daylight CCT and IP44 wet location rating make it perfect for commercial and industrial environments.

Designed to replace standard 4-foot fluorescent T8 or T12 lamps, it fits seamlessly into troffers, strip lights, wraparounds, and shop fixtures. Qualifies for energy efficiency rebates and includes a 5-year / 50,000-hour warranty.

Key Features:

• Model: FI-T8-4FT-18W-HL-B(5000K)

• Input Voltage: 120-277V

• Wattage: 18W

• Lumen Output: 3240 lm

• Efficacy: 180 lm/W

• CCT: 5000K

• Power Factor: >0.9

• THD: ≤15%

• Dimmable: No

• Driver Type: Type B (Internal Driver – Ballast Bypass)

• Installation: Single or Double-Ended Power

• CRI: Ra ≥ 80

• L70 Lifetime: 50,000 hrs

• Operating Temperature: -4°F to 122°F (-20°C to 50°C)

• Lens: Anti-UV Frosted Polycarbonate

• Body: Aluminum Thermal Backing

• Rating: IP44 Wet Location (IEC 60529)

• Certifications: ETL, FCC, RoHS

• Warranty: 5 Years / 50,000 Hours

Applications:

• Office and Commercial Buildings

• Industrial Warehouses and Workshops

• Linear Troffers and Strip Fixtures

• Wraparound and Shop Lights

• Retrofit for T8 / T12 Fluorescent Tubes