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Other Available Colors:

  • Ebony
  • Blue
  • Pewter

Product Overview

  • Ideal solution for office seating
  • Ebony fabric cushions with contoured, shell back
  • Height of seat back adjusts to provide lumbar support where it's needed
  • Waterfall seat reduces pressure on the back of knees
  • Seat height adjusts to increase or decrease distance from the floor
  • Swivel base allows for easy mobility at work stations
  • Limited lifetime warranty on mechanical components, 5 year on fabric and foam
UPC Code:400012558436
Shipping:Usually Ships in 1 - 2 Business Days

Eurotech OSS400 Specs

Shipping Weight
31 lb.
20 Inches
24 Inches
Back Width
17 1/2 Inches
Seat Width
20 1/2 Inches
Seat Depth
19 Inches
Back Height
17 Inches
Without Arms
250 lb.
With Casters


Lumbar Support
Frame Color
Mechanism Type
Padded Seat
With Padded Seat
Seat Material
Office Chairs

Eurotech OSS400 Details

Provide comfortable, ergonomic seating with this Eurotech OSS400-H06 OSS series ebony fabric mid back swivel office chair. Featuring thick seat and back cushions, the chair is contoured and equipped with ergonomic features designed to adjust to suit individual needs. Its waterfall seat reduces the pressure on the back of each user's knees to ensure unrestricted blood flow, helping to keep employees comfortable for extended periods of time. Plus, the seat adjusts in height relative to the floor, seating the user higher or lower based on personal preference or immediate needs. For lumbar support where you need it, the back of the chair is adjustable.

Because the chair does not feature arms, it's perfect for use in settings where employees are frequently standing, reaching, and moving around the office. The chair even sits atop a swivel base with five easy-rolling casters for simple mobility at work stations. Plus, the durable fabric upholstery is easy to clean and maintain. Featuring a 250 lb. weight capacity, this chair is sure to keep your staff comfortable throughout the entire work week. Perfect for any office, this chair is designed for versatile comfort and overall quality!

Overall Dimensions:
Width: 20"
Depth: 24"
Height: adjustable from 36" to 39 1/2"
Capacity: 250 lb.

Seat Dimensions:
Width: 20 1/2"
Depth: 19"
Height: adjustable from 16 1/2" to 20 1/8"

Back Dimensions:
Width: 17 1/2"
Height: 17"

Because this item is not stocked in our warehouse, processing, transit times and stock availability will vary. If you need your items by a certain date, please contact us prior to placing your order. Expedited shipping availability may vary. We cannot guarantee that this item can be cancelled off of the order or returned once it is placed.



    This item meets ANSI/BIFMA standards for comfort, safety, sustainability, and durability in furniture.

  • GreenGuard Gold

    GreenGuard Gold

    This product complies with even stricter chemical emissions limits and meets the indoor air quality pollutant standards for sensitive environments like schools where children spend a lot of time.

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Eurotech OSS400

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Overall User Rating:

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5.0 stars from 2 reviews


People Talk About:

chairs heights offices adjusts building choices color comfort comfortable desks

Customer Reviews


This is one of the only chairs used at our office building. It adjusts height very smoothly with just pulling the lever so everyone can use it of different heights but also at varying desks. I recommend them because of their comfort and various color choices!

Jessica A. on 05/29/2019

Mid back chairs are a staple in all of my offices. All of our employees really like these chairs. They all say that they are really comfortable!

Chris M. on 01/04/2018

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