Pourover Airpot Coffee Brewer System brews 3.8 gallons (14.4 liters) of perfect coffee per hour. Simply pour cold water in top and coffee brews immediately. Brewer System accommodates 1.9 to 3 liter airpots (sold separately). Airpots are easily transported to remote meeting rooms, breakfast bars and keep coffee fresh and hot for hours. SplashGard funnel deflects hot liquid away from hands. Internal components of brewer system are made from stainless steel. Completely portable pourover brewer requires no plumbing. UL listed for commercial and institutional use.