FiveStar Lights T12 8FT LED Light Tube 40W(90W equivalent), 5000K, 3600 Lumen Brightness, ETL Listed, Dual-ended Power, Energy Saving Fluorescent Tube Replacement (4, T12 8FT 40W) Bulb Type: T12 8FT LED tube 40W(96W equivalent) Daylight White 5000-5500k. ETL Classified. Professional Grade. Conforms to UL. Certified to CSA STD. 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. Environmentally friendly. No buzzing ballasts. No mercury or hazardous materials. Non-dimming.40K Hour LED Life. 5-Year Warranty. This limited warranty does not cover bulbs subject to accident, neglect, abuse and misuse. The light bulbs can be widely used at hospitals, medical centers, offices, warehouses, supermarkets and all kinds of locations.