For general duty scrubbing or heavy spray cleaning jobs. These pads work great with our 28 inch traction drive auto scrubber, and with a neutral floor cleaning solution to remove old soiled floor finish layers. These 14 inch auto floor scrubbing pads are also used to scrub soiled hard surface floors such as concrete when used with appropriate cleaning chemicals. Ideal for use on machines speeds up to 350 rpm. Take a look at our complete line of floor scrubbing pads for other options.