Manual pour-over drip brewing is one of the cheapest, easiest ways to make great coffee. How do you choose a filtercone? Typically, by cup size, and how much time you want to spend on the pour. Ideally you want a 2-4 minute infusion time. The Clever Coffee Dripper has a stopper, so you pour once, let the coffee steep, and after 2-4 minutes release the coffee into your cup. Brewing on a Hario V60, on the other hand, is like perfecting an art form. The V60 has a large drip hole and so requires a slow and steady pour to maintain the thermal mass of the coffee and draw out the infusion time. We also carry filtercones that are closer in design to a standard Melitta, with a flat seam bottom and two small drip holes. For any of these brewing devices you will want to fine tune your pour time and grind size to render a cup that is to your liking.