Roborock · S5 Max · filter
Roborock S5 Max filter
Does not fit
S7/S8 washable filter
Same official S7 rule: previous-generation filters stay previous-generation.
Likely
S5/S6 washable filter
S5 Max is the same pre-S7 family as S5. Confirm the printed filter frame. Not the S7/S8 pack.