The nut provided will tighten the filter but will not hold it. You'll find this out when you empty the vacuum, you'll find that the filter is down and the motor is filled with what you wish you were vacuuming. Also if, like me, you threw away the old mama installing this filter with the one that came with it, and are about to go on a Sears tour looking for the RIGHT stuff.
Xiaomi Mi Robot Vacuum-Mop 2 Lite RU robot vacuum cleaner, white
198 Review
Xiaomi Mi Robot Vacuum Cleaner 1S Global Robot Vacuum Cleaner, white
389 Review
Xiaomi Mi Robot Vacuum-Mop Essential Robot Vacuum Cleaner, white
284 Review
iRobot Roomba 692: Smart Robot Vacuum with Wi-Fi, π€ Alexa Compatibility, and Pet-Friendly Features for Effortless Cleaning on Any Surface
138 Review