2 UltraCare CF-1 Kenmore Canister Vacuum Motor Filter 81002, 2 pack Fits Most Kenmore Canister Vacuum Cleaners Made Since 1995, including Progressive, Whispertone, and others Replaces Sears Part numbers; 86883, 81002, UC48731-12, UC487321, and AC37KAKTZ000 Recommended to be replaced once every 6-12 months to maintain peak performance.