CYLED T12 LED Light Tube, 8ft, 40W Fa8 Base (90W equivalent), 5500K (Cool White), Double Ended Power, Clear Cover, UL-Listed & DLC-qualified 10-Pack Bulb Type: T12 8FT LED tube 40W(96W equivalent) Daylight White 5000-5500k Energy Saving. High Efficient Output. Save 80% on electricity bill of lighting comparing with traditional fluorescent light Dual-ended Power. Not necessary to replace lampholder. Remove Starter/Bypass Ballast. Then Plug in and light on right away. No extra replacement parts needed. Replaces 90W traditional fluorescent light tube. Easy Installation. International standard shape for replacing traditional T12 fluorescent tube light Work on all US home and office standard Plunger Lampholder. Remove Starter/Bypass Ballast. Then Plug in and light on right away. No extra replacement parts necessary. Non-dimming. 40K Hour LED Life. 5-Year Warranty