AeroPress Flow Control Filter Cap

This is the innovative new Flow Control Filter Cap.   

By using a pressure-actuated valve to eliminate drip through and maximize control over the brew process, you can make espresso-like crema and experiment with coarser-ground coffee. 

Specs.

• Compatible with Aeropress and Aeropress Go coffee makers
• Allows for extended brew time
• With a paper filter and dark roast coffee it creates pressure to create an espresso like crema
• Can be used with paper or stainless steel filters
• Not compatible with AeroPress XL