Features: • Seat Cushion: High density seat cushion contoured to provide even weight distribution to your lower body • Lumbar Cushion: High density lumbar cushion contoured to the shape of your lumbar to provide even support for your lower back • Lumbar Mechanism: Spring mechanism connected to lumbar cushion that will adjust to fit each individual's lower back shape • Seat Tilt Adjustment: Adjusts to provide ergonomic support for your lower body • Lumbar Height and Tilt Adjustment: Forward lumbar tilt is especially useful for providing support for forward leaning positions • Adjustable Circular Foot Rest: Provides leg support for higher operating heights • Pneumatic Lift: Height adjusts from 19" to 24" • Heavy Duty Chrome Wheel Base • 5 High Capacity Casters Specifications -Ergonomically adjustable height range: 19"-24" -Safety weight rating: 300 lbs. -Seat Cushion: 18" x 19" x 4" (Depth, Width, Thickness) -Lumbar Cushion: 11" x 14" x 4" (Height, Width, Thickness) -Weight: 38 lbs