NSS 28-9-220-1 20" .030" Nylon Scrub Brush for NSS Wrangler 20, 2008, and 2016 Series Walk Behind Floor Scrubbers. Medium .030" level white Nylon brushes are great general duty scrubbing brushes. These can be used on epoxy painted flooring, sealed concrete, stained concrete, vinyl and any other hard surface where the heavier grit brushes can't be used. Nylon brushes outlast poly scrub brushes. 18" diameter plastic block includes spin-on brush drive clutch plate (28-9-010-1). Fits NSS Wrangler 20B, 20E, 2008, and 2016 series walk behind floor scrubbers (these include AB, AE, DB, W/D and other variants). Also fits NSS Maverick 300 (300-20"), Thoroughbred 20, SS-20, SP-20 and others. One brush required. Priced Each. These are bundled together to reduce freight when two are ordered. Replaces NSS 28-9-220-1, 2892201. Our Part Number NSS 2892201, 28-9-220-1