| http://www.w3.org/ns/prov#value | - Natural lumbar support 360? swivel Pneumatic seat height Durable black five legged composite base 5/8'' Compound curved plywood seat 1/2'' Compound curved plywood back Molded density foam seat and back Suspa pneumatic cylinder Choose from 3 mechanism types Mechanisms listed below has additional features to those listed above Basic Task: Quick set back height Infinite locking back angle Funtional F
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