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Most office, computer, task, ergonomic, and even executive seats provide this functionality. Quite simply this explains the seat elevation has been raised or lowered. There is A pneumatic cylinder attached to the mechanism situated underneath the seat pillow of the chair. This cylinder allows for quick and quick adjustment through the duration of a specified height range. This modification is accomplished via the use of a paddle or lever located under the seat cushion. Investigate this web site for effective information right now.