3M™ Task Lamps improve eye comfort and reduce unwanted glare with a task light that uses 3M™ Polarizing Light Filter Technology. Improve eye comfort with these easily adjustable task lights. Polarizing filter technology reduces reflective and veiling glare on reading materials and work surfaces by 50-80%. Attractive, high-performance task lights deliver excellent light quality (1750 lumens) exactly where you need it. Charcoal (C) . 5 year warranty.