Cobia T8|T10|T12 18W (40W Equivalent), LED Retrofit Tube Light, 4FT, Single End Powered, Easy Ballast Bypass Installation, 2000 Lumens, Frosted Cover, UL, DLC Qualified

Cobia LED Retrofit Bulbs are designed to be a direct replacement for costly T8, T10, and T12 Fluorescent bulbs to drastically reduce energy cost and eliminate re-lamping maintenance. Our easy to install, ballast bypass bulbs are a cost-effective LED retrofit option for a variety of application, including religious institutions, health care facilities, offices, schools, retail stores, maintenance shops, and kitchens. These high efficacy luminaires provide long-life and uniform illumination.

SKU: CAL-UL18WT8-XX Categories: , ,


  • ✔ SIMPLE BALLAST BYPASS FOR EASY INSTALLATION: Cobia LED retrofit tube lights are single-ended and require a simple, energy saving, ballast bypass (direct wire) installation. Works with existing G13 Non-shunted sockets. Compatible with existing T8, T10, and T12 fixtures.
  • ✔UL SAFETY CERTIFIED & DLC LISTED: Cobia LED retrofit tube lights are UL Classified and meet the rigorous regulatory requirements of most state and local regulatory bodies. UL classification is indication that our products have withstood strenuous quality testing, by an independent laboratory, to ensure adherence to strict product quality and safety guidelines. DLC listing qualifies our Tube Lights for most energy provider rebate programs. Further increasing the dollars you will save!
  • ✔CONSERVE ENERGY AND SAVE $$: Using 18W LED tube lamps versus 40W Fluorescent lamps reduces energy consumption by as much as 55%, reducing your overall carbon footprint on our environment. Up to 70% reduction in current energy costs attributed to lighting. With the energy savings gained, LED conversions have an average Return on Investment of 24 months or less.
  • ✔LONG LASTING: Our lamps are rated to last 50,000+ hours reducing maintenance cost by avoiding frequent re-lamping of your luminaires. Steady lifetime performance ensures consistent lumen output and excellent color rendering of your lighting environment.
  • ✔BUY WITH CONFIDENCE: Cobia’s standard 5 Year Warranty means if our product fails due to any manufacturing defect, we will replace it free of charge, no questions asked. We believe in providing you with peace of mind in all your lighting needs.

Additional information


CE, DLC Listed, ROHS, UL (E495864)




Single End G13 Base


Rotatable G13 (180 degrees)




4 foot



Total Wattage






Luminous Flux

2,000 lumens

Luminous Efficiency

110 lm/W



Beam Angle

160 degrees



Operating Temperature

-30°F to 130°F

Product Life

50,000 hours

Warranty Terms

5 Years Limited

Pack Size

16 pack, 4 pack

Color Temperature

3000k, 4000k, 5000k


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