Office Master EFLS77 Electrostatic Discharge ESD Ergonomic 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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ErgoDirect Product ID: 16023 Office Master EFLS77 Electrostatic Discharge ESD Ergonomic Chair click image to enlarge
List Price: $794.00
Our Price: $613.00
You Save: $181.00
Estimated to ship in 5 to 7 business days
* applies to Contiguous United States
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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.

  • Lab Stool version of EF77 or EV77 with CLS mechanism
  • Seat height: 20" - 27"



Option 1: Fabric Color


XS 407

Cobalt XS 407

XS 806

Ash XS 806

XS 805

Graphite XS 805

XS 303

Tinto XS 303


XS 408

Ink XS 408

XS 901

Anthrocite XS 901

XS 502

Forest XS 502




Option 2: Arms Type


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




Options 3: Arm Pads


ARMazing Memory Foam Arm Pads are a great addition to any office or home chair. The memory foam pads will contour to your elbows and forearms and offer you total comfort and support while reducing pressure points. All of these benefits will help increase productivity while reducing overall body stress. Elastic shroud attaches snugly to any existing arm rest from 6" to 11" long. Makes your arm rests much softer and more comfortable.

  • Helps increase circulation
  • Helps maximize the benefits of proper ergonomics
  • Sleek design and sung fit gives built-in lock
  • Fits all adjustable chair arms from 6" to 11"


Option 4: Cylinders


  • 6" Cylinder - Standard Approximately 18.5" to 25"



Option 5: Casters


Office Master CAS-ESD-S ESD Soft Casters


Office Master CAS-REG Regular Caster CASREG office chairs carpet


Office Master CAS0065-S Multi-surface Soft office chairs Casters


CAS0050-SS - "Safety soft casters" minimizes chair movement when the chair is NOT in use. (5 per set)


CAS0050-RB - "Reverse-braking casters" lock in place when the chair IS in use (5 per set).


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


CAS-RUB - "Rubber casters" are designed for concrete and other hard surfaces. (5 per set)




Model EFLS77
Manufacturer Office Master Chairs
Part Number EFLS77
Seat Height 20" - 27"
Base Diameter 26"

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Office Master EFLS77 Electrostatic Discharge ESD Ergonomic Chair