The Grindmaster Pourover Coffee Brewer for Airpots (CPO-SAPP) allows easy brewing for your customers. It uses a stainless steel construction which is durable, along with making it easy to clean when not being used. The tank capacity is a massive 12 gallons and can accommodate hours of customers in a high-volume situation. In addition, the Grindmaster - CPO-SAPP - Pourover Coffee Brewer for Airpots is portable and compact to provide maximum versatility. No plumbing is required for installation or operation.