Elevate your coffee brewing game with the new Flow Control Filter Cap. This innovative accessory uses a pressure-actuated valve to eliminate drip through and maximise Original, AeroPress Go and AeroPress Clear coffee makers and can be used with metal and paper filters, together or separately. Now you can make espresso-like crema and experiment with coarser-ground coffee. Complete brew control. Attach the AeroPress Flow Control Filter Cap to your AeroPress Original, AeroPress go or AeroPress Clear coffee maker to stop drip through which allows you to extend brew time and use coarser-ground coffee like pre-ground medium. • 8 x 7.5 x 3 cm - Black Not compatible with AeroPress XL coffee maker.