PE30 - High Back Ergonomic, Tilt, Swivel, Arms, Gas Lift
LE30 - High Back Ergonomic, Locking Tilt, Swivel, Arms, Gas Lift
MB40 - Medium Back Ergonomic,Locking Tilt, Swivel, Adjustable Arms, Gas Lift
PE40 - Medium Back Ergonomic, Locking Tilt, Swivel, Arms, Gas Lift
LE40 - Medium Back Ergonomic, Locking Tilt, Swivel, Arms, Gas Lift