Triangle Bulbs 18W 4 foot T8 LED Tube Lights, F32/T8 Fluorescent Tube Replacement, Warm White, UL Approved, Pack of 4 No ballast and starter required. Easy Installation. Can be easily fitted instead of ordinary 4ft fluorescent tube. Check image 2 for instructions. 18 Watts, 4ft, 1800 Lumens, 3000K, Works with voltage from 100V till 250V LED T8 tube lights. Eco-friendly glass & mercury-free LED tube lights allow for toxic-free waste disposal. Experience instant on with no pesky flickering when using our reliable LED light tube. Long-lasting 4 foot LED tube lights have an average lifespan of more than 50,000 hours.