Pourover Airpot Coffee Brewer System brews 3.8 gallons (14.4 liters) of perfect coffee per hour. Simply pour cold water in top & coffee brews immediately. Brewer System accommodates 1.9 to 3 liter airpots (sold separately). Airpots are easily transported to remote meeting rooms, breakfast bars & keep coffee fresh & 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 & institutional use.