Fill N Save Reusable Filters are Compatible with the following machines

Keurig 2.0 models:
K200
K250
K300
K350
K360
K400
K450
K460
K500
K550
K560

Original Keurig 1.0 machines:
Keurig K30, K31, K40, K44, K45, K50, K60, K66, K70, K77, K100, K130, K135, K140, K145, K200, K150, K155, K3000, Keurig B30, B31, B40, B44, B50, B60, B66, B70, B77, B100, B130, B135, B140, B145, B155, B200, B150, B3000