3x toner replaces Panasonic KX -FAT411X KXFAT411X - Standard series. Panasonic KX-MB Series KX-MB 1900 / KX-MB 2000 / KX-MB 2000 G / KX-MB 2001 / KX-MB 2001 GB / KX-BM 2010 / KX-MB 2020 / KX-MB 2025 PD / KX-MB 2030 GW / KX-MB 2030 PD / KX-MB 2035 / KX-BB 2061 PD.
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