Bissell Rewind Smart Clean/ Power Clean/ Power Helix Filter Replacement Kit. This Kit Is Designed To Fit These Models Includes All 4 Filters. For Models 58F8/ 84G9/ 18M9. For Best Performance Replace All Filters Every 3 Months in Your Bagless Bissell Rewind Smart Clean Cyclonic Vacuum. Clogged Filters Will Reduce Suction and Cleaning Efficiency. This Kit Includes All 4 Filters In A Package