Great cold brew can be a game changer, as well as a wallet emptier. Save some cash and make amazing cold brew at home with this vessel designed for steeping a better, smoother cup. Stash your grounds in the filter, add water, and wait 12-hours for a full liter and a half of concentrated coffee. You'll get perfect brew every morning that's richer and 70% less acidic than its warm brother. And whatever's leftover after you've poured a glass can be stored up to two weeks, no problem.