Compatible with many Kenmore vacuum models, including Sears Progressive CF1, Progressive & Whispertone, Panasonic cleaners Compare to Part# 86883, 81002, UC48731-12, UC487321, AC37KAKTZ000 9 pieces high-grade foam filters per Package The dimension is 5 inch* 5 inch Better replace filters regurarly to gain excellent performance Feel free to contact us if any further information needed Compatible with Kenmore Sears Progressive CF1 Progressive Whispertone Panasonic Vacuum Cleaners 86883, 86880 20-86883