EFG ONE Our simplest idea so far. Our most flexible chair ever. EFG ONE is our new family of task chairs designed with simplicity and flexibility in mind. Easy to use, easy to like and flexible enough to suit all. A timeless design with a fit that suits many different needs – EFG ONE is a perfect solution for the modern office. EFG ONE offers ergonomic seating solutions adapted to individual needs. Each chair in the series is equipped with a few, basic settings and different back supports. The result is an overall seating experience that doesn’t compromise either quality or function. A minimum of settings. Maximum sitting comfort. Easy to use. Easy to adjust. Choose between two ergonomic seat mechanisms. Available with six different backs. Available with three different armrests: fixed, adjustable and multifuntional.