These 22w T8 4ft LED tube light can illuminate your space with 2,200+ lumen with 180 degree angle beam. This 4ft led bulb is compatible with existing T8, T10, and T12 fluorescent fixtures. Like most of led bulbs, these double end powered T8 4 foot LED light bulbs require a simple, energy-saving, ballast bypass installation. And this 4ft t8 led tube is designed with single row 96LEDs, which is much brighter than fluorescent bulbs. With a heavy heat-sink and shatterproof cover, our 4ft led light bulbs have an outstanding life rating of 50,000+ hours! These super bright bi-pin g13 4ft led bulbs are ideal for replacing fluorescent bulb in your garage, warehouse, workshop and more. NOTE: Please install this item away from the radio, remote control door, etc., which may cause EMI.