Latest in Design, our reusable coffee filters are designed for compatibility with Keurig 1.0 models, including K15, K31, K40, K45, K55, K60, K66, K70, K75, K77, K80, K100, B31, B40, B44, B50, B60, B70, B77, B100, B140, B145, B200, B300, as well as Keurig 2.0 Brewers: K200, K250, K300, K350, K360, K400, K450, K460, K500, K550, K560.
eBay