Lithonia Lighting 2GTL4 LP835 2-Feet by 4-Feet LED Troffer Indoor Light, White SAVE ENERGY & REDUCE POWER CONSUMPTION: Save your hard-earned money and toss away all those cheap fluorescent recessed troffers. Invest in these 3500K LED troffer ceiling fixtures and save energy and power all at once. This integrated LED lightening provides 4,400 lumens and 3500K bright white temperature for smooth light everywhere. 60,000 HOURS OF LIGHT: Made from high quality materials, these LED lights are designed to provide lighting that lasts for up to 60,000 hours of lifespan, or over 20 years when on for 8 hours a day. Replacing your bulbs is now a thing of the past. No disturbing flickering, no inadequate lighting, extremely durable and offer safety and environmental benefits. HIGHEST RATINGS AND CERTIFICATIONS: DLC Certified (DesignLights Consortium), CSA certified in the United States and Canada and Damp location listed . Suitiable for direct insulation contact. BUY WITH CONFIDENCE: Since your satisfaction is our top priority, this product is backed by our limited 5-year warranty policy! Just in case you have any issues or problems, our friendly customer service will be more than happy to help you! All of our products meet the highest standards for your safety only DIMMABLE - dimming capabilities from all the way on down to 10% to provide the right amount of light for any environment (0-10V dimming)