Using the ideal water temperature and gentle air pressure brewing yields rich flavor with lower acidity and without bitterness. Total immersion brewing results in uniform extraction of the ultimate in full coffee flavor. Other coffee makers drip hot water on bed of grounds, over extracting at the center and under extracting at the edge. Micro filtered for grit free coffee – unlike other press-type coffee makers. One minute from start to enjoy. The actual press time takes only 20 seconds.