Enjoy fresh, customized coffee with our Reusable Keurig Cups Coffee Filters! Perfectly compatible with Keurig 1.0 and 2.0 models: Brew fresh by using your own coffee grounds with our 1 oz capacity reusable K Cups Coffee Filters that are compatible for 1.0 and 2.0 Keurig models: B10, B30, B31, B40, B44, B50, B55, B60, B66, B70, B77, B77, B79, B100, B130, B135, B140, B145, B150, B200, K10, K45, K65, K75, K145, K200 (Before 2016) K300, K350, K360, K450, K460, K500, K550, K560, K575. DOES NOT WORK with Keurig Mini and/Keurig Cuisinart version and K155, K250, Keurig Mini (After 2016). Premium Quality for Every Brew: Designed to deliver a superior brewing experience, the high-quality mesh filters ensure a tighter seal that captures 100% of your coffee grounds for a smoother, richer taste every time. Cost-Effective & Eco-Friendly: Say goodbye to costly single-use K Cups! With our reusable coffee filters, you can use your favorite coffee grounds, save money, and reduce waste.