Single-Serve Brewer Cleaning Cups Feature An Easy-To-Use Design That Offers A Simple Way To Clean Your Brew Chamber And Exit Needle For Better-Tasting Coffee. Cleaning Capsule Uses Odorless Ingredients And Phosphate-Free To Safely Remove Coffee Residue And Oils Inside Your Machine To Prevent Them From Altering The Flavor Of Your Coffee. Cleaning Cups Are Perfect For Use Once A Week Or Whenever You Change Between Sweetened Beverages And Coffee Or Tea.