Sanitaire Tradition Commercial Bagged Upright Vacuum, SC688B ,RedThe Sanitaire TRADITION Upright Commercial Vacuum SC688B utilizes heavy-duty features to give you longevity of use and a more productive machine at a low cost of ownership. The polycarbonate hood protects the machine in tough environments, while its Extended Life Motor gives more than 2, 000 hours of commercial cleaning power. The large-capacity disposable bag holds up to 6. 1 quarts of dirt and debris for less interruption while cleaning. The TRADITION Upright Commercial Vacuum is also easy to maintain with special features like its Chrome Brush Roll with replaceable bristle strips.Sanitaire S658A, SC684E, SC886D, SC888D, SC645A, SC675A, SC684A, SC684B, SC684D, 686A, 686AP, 686B SC688 and SC689B Brushroll, 12", Silver12" brushroll with hex ends and ball bearings fits: SC689A,SC684F,SC886E,SC887B,SC888H, Metal Chrome with E-52282-4 - brushstrips