TB133-3 | Upholstery with fire barrier to meet the former CA-TB133 fire code. (Fire barrier for the FULL seat and Jacket/Wrap to be made using TB133.)

TB133-1 | Upholstery with fire barrier to meet the former CA-TB133 fire code (without backrest upholstery; seat only.)

UPHCLN | Upholstery modifications for Cleanroom chairs (can only be used with vinyl or similar). Select models. Check with factory.

UPHCYX | Concealed ultra-soft foam reservoir to relieve tailbone (coccyx) pressure (Grade 2 and 5 only).

UPHCYX-CC | Ultra-soft foam reservoir to relieve tailbone (coccyx) pressure (Grade 2 and 5 only)