?Fit Models?These Roomba S9 Replacement Parts Replacement Parts Compatible With Irobot Roomba S9 (9150) S9+ S9 Plus (9550) Robot Vacuum Cleaner. | | ?Replacement Recycle?- Efficient Roomba S9 Filter Help Capturing 99.9% Fine Dust, Dirts, Hair Etc As Small As 0.1 Microns. For Optimal Performance, It'S Recommended To Clean The Roomba Filter Replacements Every Few Weeks And Replaced Every Two Months. That Will Help You Solve Many Troubles And Meanwhile Protect Your I-Robot Roomba Vacuum Better. | | ?Easy To Install?-Simple Installation, No Tools Required. Simply Remove And Replace Roomba Filters From Your Machine When Needed. Just Cost You Few Minutes, Saving You More Time And Energy. | | ?Valuable Package? Includes 6 Vacuum Filters And1 Clean Brush | | ?Meet Your Needs?If You Have Any Questions About The Robot Vacuum Replacement Parts, Please