the most reliable and delicious way to get one ice coffee from home.


Like surprise parties and camping trips, cold brew is a planner’s dream. With a bit of foresight and some basic instructions, the Filtron method is the most reliable and delicious way to achieve a single origin iced coffee at home. Set your stopwatch for a 12-hour countdown and you’ll be generously rewarded—a crystalline, concentrated brew, with plenty of zing, is your prize.

Step 1

Measure out 2,000 grams (two liters) of water.

Step 2

Place the Filtron’s rubber cap in the hole at the bottom of the device.

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