Medium Back High Rise Chair. The intro Range of entry-level operator and managers seating provides both value and quality, sacrificing none of the comfort and durability you would expect from this brand. Meeting fire retardancy standard BS7176 medium hazard makes them suitable for use in both the working and domestic environments. Computer or at-desk tasks are part of work, typically 7-8 hours a day. Ideal for secretarial, word processing, clerical, professional and accountancy jobs. Up to 18 stone/114kg. Users can adjust height of seat to maximise support for legs. Optional fixed arms or Height-adjustable arms available. WxDxH: 490x450x650-780mm. Backrest Height: 390mm. Green.