Tennant NOBLES BR-2000-DC Dust Control 20 High Speed Floor Burnisher This is an amazing unit. Folds up to a very reasonable size. Polish uneven floors with the BR 2000 DC high-speed floor burnisher’s patented free-floating head that contours to your surface Reduce machine training time with easy to use burnisher controls Maintain high indoor air quality and reduce airborne dust during cleaning with standard dust control Powerful high speed burnisher with 2000 rpm pad rotation for excellent gloss results 15-45 lb / 7-20 kg variable pressure to give your floors a smooth, even finish 66 dBA sound level and low vibration for anytime cleaning and operator comfort 75 ft cord attached.