FROZ-CUP 2.0-4 Refillable/Reusable K Cups for Keurig 2.0 - K200, K300, K400, K500 Series and all 1.0 Brewers (4-Pack) COMPATIBLE WITH KEURIG 2.0 AND 1.0 SERIES - K200, K250, K300, K350, K360, K400, K450, K460, K500, K550, K560. As well as previous models K45, K75, B60, B70, B130, B140, B150, K40, B40, K60, B145, K150, K70, B30, K145, B44, K155, B155, B200 and B3000. Brew your favorite coffee without any error code or modification needed. Lower your costs, double your value and increase your personal choices. DURABLE AND EASY TO USE - Designed for longevity and function, FROZ-CUP 2.0 is made from the best quality 18/8 stainless steel micro mesh filter to ensure premium quality design. Lid with silicone O-Ring for a snug fit and plastic specifically designed to resist high temperatures 4-PIECES REUSABLE COFFEE AND TEA FILTERS - FROZ-CUP 2.0 Provides a cost effective way to brew your favorite coffee while saving the environment. Reduce the number of prefilled cups thrown into the garbage USE TEA, HOT CHOCOLATE, HOT WATER, HOT COCOA AND OTHER INFUSIONS INSIDE YOUR KEURIG MACHINE - No more buying expensive K Cups. Easily control the brew strength without messing with clicks or hacks for Keurig 1.0 and 2.0 Brewers 100% LIFETIME MONEY BACK GUARANTEE - Features Medical/100% Food-Grade (BPA free/lead free) construction, and excellent water dispersion system. The flat bottom makes it easy to fill with fresh ground coffee or your favorite coffee. Simply fill the FROZ-CUP 2.0, place it in your machine and brew normally