PB 7806 17" .020" Poly Scrub Brush for Minuteman Power Boss Phoenix 33 and E33 Disc Brush Model Scrubbers. A general duty scrub brush. Polypropylene is our most economical brush in this series. Poly brushes will not harm painted or epoxy painted floors. For high gloss epoxy floors, use our .012" soft nylon (PB 7816). Fits Minuteman Power Boss Phoenix 33 walk behind scrubbers. Also fits Hakomatic B70/B90, B1050/TB1230, B1100/TB1230, B310R/TB1230 (85cm Models). Listed as Light Medium Duty / PPN 0.5 White. Comes prepped with 18 tooth splined clutch plate. Two brushes required. Priced Each. Replaces Minuteman Power Boss 7806, 99780600. Our Part Number PB 7806