Works with All-Purpose Microfiber Steam Pocket mop models: S2902, S3450, S3452, S3455K, S3501, S3501SPN, S3501WM, S3550, S3601, S3601C, S3601CO, S3601D, S3601K, S3601Q, S3601W,S3601WC,S3801,S3801CO,S3901,S3901A,S3901C,S3901D,S3901FS,S3901K,S3901Q,S3901W,S3901WC,S3901WM,SE400,SE450,S3501WM_N2,S3501WM_N3,S3601CS3601CO S3601D S3601K S3601Q S3601W S3601WC S3801CO S3901 S3901A.11.
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