For great coffee the traditional way, This porcelain filter cone lets you brew a single cup of coffee at a time. The porcelain cone filter will fit most mugs and uses #4 paper coffee filters, to use, simply place a #4 filter in the filter top and fill with your favorite ground coffee, Pour hot water on top and let your coffee slowly drip right into your cup.and enjoy a great home brewed coffee without expensive and bulky coffee machines you will Save time, space and money, Made of porcelain won"t stain or absorb food odors and tastes.