Simply load up to 10 ounces of your favorite coffee grounds into the fine-mesh filter, add lukewarm water to the carafe, and let time work its . In 12–18 hours, you'll have silky-smooth cold brew that stays fresh for up to two weeks when refrigerated. The reinforced airtight stainless steel lid locks in flavor, while the convenient stainless steel spigot gives you precise pour control straight from your fridge.