Coffee Queen of Sweden Single Tower commercial bulk filter coffee brewer that brews directly into a thermal serving carafe that protects the flavor and aroma of the brewed coffee without the application of electric heat thereby avoiding unnecessary coffee spoilage and waste. After brewing as long as brew-thru lid is immediately sealed and not re-opened, brewed coffee will only lose about 1C per hour. Brewer includes separate hot water tap. Option for full or half brew batches and brewing complete signal. Full brewing of 5-L takes approximately 7-minutes.