Bulb Specifications: This 6-pack of 21-inch T5 fluorescent bulbs delivers 1100 lumens per bulb with just 13W of power. Suitable for energy-conscious households 3000K Warm White Glow: Enjoy soft, flicker-free lighting thats easy on the eyes. Our t5 fluorescent tube light bulbs create a warm, inviting atmosphere without eye strain or headaches Hassle-Free Installation: Each t5 linear fluorescent lamp features a standard G5 bi-pin basejust insert and twist it to lock into place. No tools, no stress, just bright light Long-Lasting Performance: With up to 8000 hours of service life per fluorescent replacement bulb, youll spend less time replacing and more time enjoying steady, reliable light Great for Any Space: Ideal for kitchens, closets, RVs, cabinets, and more. These versatile fluorescent bulb lighting fixtures light up tight spaces and dark corners around your home