Office Master EV74 Electrostatic Discharge ESD Mid Back Chair

Please note: This chair is custom-made and non-returnable. All fabric colors shown on your computer screen are approximate, based on the resolution of your monitor and subject to variation from the actual color on physical chairs. For more accurate ideas of color tones, etc. please contact or call 888-456-ERGO to obtain a sample or fabric swatch.

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Product ID: 16009
List Price: $729.00
Our Price: $563.00
Usually ships in 5 to 7 business days
* applies to Contiguous United States

NOTE: The above video demonstrates general adjustment capabilities of a chair/arm similar to yours. The actual functions & appearance of your chair/arm may differ significantly from the video & illustration shown above.



Office Master ESD chairs are constructed from our most popular models to meet special ESD seating requirements. Fabrics are made of 99% nylon and 1% carbon fiber. We also stock 7 ESD fabric colors and 2 ESD vinyls.

  • Multi-functioned cross performance mid back sized chair

  • Seat height: 17" - 22"

  • Weight capacity: 300 lbs



Option 1: Fabric Color


SC Micron Blue

SC Micron Blue

SC - Black

SC Black



Option 2: Arms Type


Office Master JR-75PU ESD Arms with Special ESD PU Arm Pad




Option 3: Cylinders


  • 5" Cylinder - Standard Approximately 17" to 22"

  • 4" Cylinder - Approximately 15" to 19"

  • 6" Cylinder - Approximately 18.5" to 25"



Option 4: Casters


Office Master CAS-REG Regular Caster CASREG office chairs carpet

Carpet Casters

Office Master CAS-ESD-S ESD Soft Casters


GLD-R - "Glides" keeps the chair stationary at all times. (5 per set)




Model EF74
Manufacturer Office Master Chairs
Part Number EF74
Seat Height 17" - 22"
Weight Capacity 300 lbs

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Office Master EV74 Electrostatic Discharge ESD Mid Back Chair