Idea for EZ upgrade T5 Fluorescent Grow Lights to LED Grow Light System to get over 50% Energy Saving and double fast Growing and 5 Times life. 4Ft(45 1/5") 28W T5 LED tube replace T5 54W Fluorescent tube directly, perfect work with the previous ballast without any extra job. Come with rue 28W input and 6500K Sun Light Spectrum and 5000 Lumens and over 2.0 mol/J PPF/W. Great for Seeding and Colon, VegGrowing stages for indoor Garden. 50000 Hours life span, Alum body and over 92% clear PC diffuser, fast shipping with strong and safety brown paper tube.