Pneumatic Seat Height Adjustment - Regulates height of the chair relative to the floor.
Tilt Tension - Controls rate and ease with which the chair reclines for different weights and strengths of users.
Knee Tilt (Option below) - Allows user to recline at slightly more of an angle than conventional tilt.
Dual Function (Option below) - Seat and back angle adjustment independently from one another.
2-to-1 Synchro Tilt - Allows user to recline while keeping the seat cushion relatively level to the floor.
Adjustable Lumbar Support - Allows user to move support to the area that applies to their particular lumbar.
Please feel free to fire any questions my way!