(4-Pack) PacLights 40-watt Replacement, 22-watt LED, Neutral White T8/T12 4 Ft Tube Lights, Extra Bright, No Ballast Required, UL/DLC Listed Save 60% Energy by this 50w Fluorescent Equivalent 22w T8 LED Tube. Crystal Clear Cover for Maximum Output (2200 Lumens), at Neutral White (4000k). No Brightness Degradation; Over 50,000 Hours Lifespan; Maintenance Free. UL Listed, DLC Listed; High Efficiency - over 100 lumens per watt No Ballast Needed; Instant On, Instant Off; Environment Friendly.