FITS ALL WIDE MOUTH MASON JARS: Our versatile Mason Jar Infuser and filter fits 24oz, 32oz, 48oz, and 64oz Mason Jars. So yes, that one you have laying around!, PROFESSIONAL COLD BREW AT HOME: Just add your favorite freshly ground coffee and water, and let our filter work its delicious magic! This fine-mesh filter can also be used as a coffee strainer and is perfect for tea infusing., THE KLEIN DESIGN: We are serious about our coffee. This is not your standard coffee filter; it is designed to survive the bottom of your camping gear while simultaneously delivering more flavor and less acid than other, less-serious coffee filters. We are honored to help you and your family craft the perfect cup of coffee., COMPLETE COLD BREW SYSTEM: The Klein Cold Brew Kit is designed from an extra heavy-duty 304 Stainless Steel wire. The special weave of the 100-micron mesh provides the smoothest no-grit finish in town. This kit comes complete with the filter, spoon, and a perfect-seal silicone gasket (BPA-free) to keep your home brew leak free!, ICED COFFEE, TEA, INFUSED WATER, NUT MILK: Perfect as a loose leaf tea infuser and sun tea maker; and can handle cold pressed juices and cucumber water with ease. Customize your cold bru with cinnamon sticks, vanilla beans, herbs and spices and whatever else you can think of!