✔Install With or Without a Ballast-These Xapolu tubes can be ballast mounted (plug and play) or without ballast mounted (direct mounted). Please check ballast compatibility before purchase. Standard international 2' T8 tube. Replace traditional fluorescent tubes. ✔ Dual ended Connection-The tube is DLC&UL listed for installation with dual - end connection. Convenient, simple and safe installation of functions is the user experience concept of our Xapolu brand. ✔Long Life-It has an astonishing 50,000 hours of service life, which means it won't need to be replaced for another 5 years. The service life of each T8 LED tube is tens of times that of a traditional fluorescent lamp. ✔Reliable Lighting-The LED lamp has no flicker, no delay and no noise, providing high quality indoor lighting. Each LED bulb is DLC and UL certified for safe and quick installation and comes with a five-year warranty. ✔Wild Application-These T8 LED tubes can be used in many commercial places, such as display stores, warehouses, garages, offices and other indoor places. Can provide light for thousands of households. 2FT LED T8 T10 T12 Type A+B Tube Lights 15W 4000K 2100lm, F20T8/F30T8 Fluorescent Light Bulbs Replacement, clear lens