Extreme Max ecoEXT  1228.1112 Frosted 20-Watt 4' T8 LED Tube Light Replacement for 60-Watt Fluorescent Lights &ndash; Pack of 4 Pack of 4 EcoEXT 4' T8 frosted LED tube light replaces traditional 4' 60 watt fluorescent lights in offices, warehouses, etc. Eco-friendly, with 10x longer lifespan than fluorescents, no hazardous materials and no special requirements for disposal Wallet-friendly with 92% power-conversion efficiency, 50,000 hour average lifespan Requires no special hardware for installation, simply bypass the existing ballast for pure, efficient light 3-year pro-rated warranty Pack of 4 ecoBright 4 feet T8 frosted LED tube light replaces traditional 4 feet 60 watt fluorescent lights in offices, warehouses, etc. Eco-friendly, with 10x longer lifespan than fluorescents, no hazardous materials and no special requirements for disposal Wallet-friendly with 92 percent power-conversion efficiency, 50,000 hour average lifespan Requires no special hardware for installation, simply bypass the existing ballast for pure, efficient light Replacement for 60-Watt Fluorescent Lights; Pack of 4; 3-year pro-rated warranty