Black & Decker Power Scrubber 4-Inch Scrub Brush - for use with the NPS1018 and NPS018 PSA-140 Ideal for general scrubbing tasks around the home or workplace Four-inch brush provides improved cleaning power Takes the hard work out of scrubbing floors, outdoor structures, and even non-painted home siding Designed for use with NPS1018 and NPS018 cordless power scrubbers Protected by a 2-year manufacturer warranty