Pick the brand
The brand is printed on the same plate as the model number.
Filters that come up most
The part numbers listed for the most robot vacuums in the index. Open one to see every model it fits.

RVFFK950Pre-filter117 robot vacuums
XPRFRV2500Pre-filter117 robot vacuums
XPMFRV2300Post-motor filter79 robot vacuums
XBPFRV2500Pre-filter79 robot vacuums
XPMFRV1100Pre-filter74 robot vacuums
1172FK870Pre-filter58 robot vacuums
XMFRV1000APre-filter45 robot vacuums
XMFRV2500SPre-filter33 robot vacuums
XFRV2000WDPre-filter26 robot vacuums
300KKU1000Post-motor filter19 robot vacuums
XPMFFRV2800WDPost-motor filter16 robot vacuums
RVFRK2000Replacement kit7 robot vacuumsWhere the model number is
On robot vacuums, the plate or sticker sits in one of a few places.
Robot vacuums: On a label on the underside of the robot, sometimes under the dust bin.