<p><strong>Easy to Use in ALL Keurig 1.0 Machines</strong><br /> With its built in red tabs, each Hello Angel Refillable Reusable Filter Cups  automatically works in all Keurig 1.0 machines. It is designed to be automatically detected by all Keurig 1.0 machines .<br /> <br /> <strong>Safety In Quality</strong><br /> <br /> BPA-Free, these cups can be added to your next dishwasher load, for swift, effortless cleaning! & No Need to swap Out The Keurig Filter<br /> <br /> Is My Keurig Compatible With The Hello Angel Reusable Filter Cups?<br /> <br /> Check out their AMAZING compatibility :<br /> <br /> - Keurig 1.0 Brewers: Keurig K40, K44, K45, K50, K60, K66, K70, K77, K100, K135, K140, K150, Keurig B31, B40, B44, B50, B60, B66, B70, B77, B100, B135, B200, B150<br /> <br /> Simply fill it with your favorite coffee, insert it in the machine, press the Brew button, and enjoy a warm cup of coffee !<br /> <br /> <strong>Superior Design</strong><br /> These Keurig Replacement Holder Part are made from high quality materials, 100% BPA free plastic and stainless steel, which is also 100% dishwasher safe! Free with a food grade stainless steel mesh. One-piece design with stainless steel high heat resistant mesh system. Helping produce the best brews you ever had! Our ridge-less design on the inside also makes cleanup a breeze.<br /> <br /> <strong>Reusable and Friendly</strong><br /> 1.Reusable Coffee Filters are fine enough to filter 99.9% coffee grounds.<br /> <br /> 2.Make Best Coffee, the Reusable Coffee Filters make coffee that has a bolder, fresher taste.<br /> <br /> 3.A perfectly brewed cup of coffee doesn't come from a plastic cup;<br /> <br /> 4.It needs no filter paper which could save a lot of your money and makes a great contribution to environmental protection</p>