Gry Mattr + ergoCentric airCentric 3 Task Chair - Standard Seat - BlackConstructed with patented technologies, the airCentric 3 ergonomic office chair helps you work at your highest potential. The airCentric 3s proprietary airflow molded polyurethane foam and structure includes vents in the backrest for instant temperature neutral support. The airCentric 3 combines 5 of infinite back height adjustment with a dual curve backrest that mirrors the natural curvature of your spine. These features allow you to position the