Warning: Grounds that are too coarse, too little coffee, or improperly tamped will result in weak brew. It is crucial to keep track of the amount of espresso extracted, as grind size and amount can lead to variations. Decanters not part of the package. Hot liquid splash deflected by SplashGard funnel. Precisely brews 3.8 gallons (14.4 liters) of coffee per hour. No plumbing required for the portable pourover brewer, built to North American Electrical Standards.