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Lumbar and curved back design for optimum support
Multi-ergonomic control gives you maximum back pitch adjustment for the pitch and tilt of the seat
Pneumatic seat-height adjustment from 17-22"
Back-height and tilt-tension adjustment, and tilt-lock
Forward tilt control provides separate 0-3° forward tilt
Height- and width-adjustable urethane armrests
5-star plastic base with twin-wheel casters
Seat: 20Wx18"D; Back: 23-1/2HX20"W
Manufacturer's lifetime limited warranty