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Aero X | Summary | 
None   Requires a compatible Back Height Range. Set Back Height must be within Seat Back Height Range limitations.  | no  | |
AEXSB6  | Integrated   Requires a compatible Back Height Range. Set Back Height must be within Seat Back Height Range limitations.  | NCO int  | 
AEXSB7  | Integrated Fold-Down   Not available with Heavy Duty Frame. Requires a compatible Back Height Range. Set Back Height must be within Seat Back Height Range limitations. Requires Tension Adjustable by Straps Back Upholstery or None (Back Upholstery).  | $126 intfold  | 
AEXSB9  | Bolt-On Height-Adjustable   Not available with Heavy Duty Frame. Not available with Folding Adjustable Angle and Adjustable Height (Seat Back Type). Only available with Fixed Angle, Adjustable Height Back Heights. Not available with 11"-15" (27.9 - 38.1 cm) (Short) Fixed Angle, Adjustable Height Back Heights. Set Back Height must be within Seat Back Height Range limitations. Requires Tension Adjustable by Straps Back Upholstery or None (Back Upholstery). Not available with Swing Away Tubular or Swing Away Flip Back Tubular Armrests.  | $449 boltonadj  | 


