AeroPress Flow Control Filter Cap, No Drip Filter Cap for AeroPress Portable Coffee Press, Specialty Coffee Maker, BlackCOMPLETE BREW CONTROL Attach the AeroPress Flow Control Filter Cap to any AeroPress coffee maker to stop drip through which allows you to extend brew time and use coarser ground coffee like pre ground medium. ESPRESSO STYLE CREMA When used with a paper filter and dark roast coffee, the AeroPress Flow Control Filter Cap uses a build up of pressure to create an espresso like crema. FILTER FLEXIBILITY The flexible AeroPress Flow Control Filter Cap can be