PB 3339963 / 3304106 26" Nylon Side Brush for Minuteman Power Boss (SW75) Power Sweepers and Scrubbers. Long lasting white nylon filament is set securely in a 13" diameter heavy duty side broom block. Originally designed for the older SW75 models, this side brush has the smaller 13" block which will fit virtually any unit and offers the larger 26" brush path. Fits Minuteman Power Boss SW75 and many other models. Priced Each. Replaces Minuteman Power Boss 3304106, 304106, 3339963. Our Part Number PB 3339963.