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OSP Designs Mid Back Space Flex Chair


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List Price: $125.00

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Arrives for Christmas to Woodbridge, NJ 02108 (Change)

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Product Details
Product Q&A
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OSP Designs Mid Back Space Flex Chair


  • Stylish mesh back
  • Matching breathable mesh seat
  • One touch pneumatic seat height adjustment
  • Heavy duty nylon base with dual wheel carpet casters
  • SpaceFlex collection
  • Manufacturer provides 5 year limited warranty


  • Overall: 18" W x 22.5" D
  • Minimum Overall Height - Top to Bottom: 33.25"
  • Maximum Overall Height - Top to Bottom: 38"
  • Overall Product Weight: 22.5lbs

OSP Designs Mid Back Space Flex Chair

Weights & Dimensions

  • Overall: 18" W x 22.5" D
  • Seat: 18" W x 17.25" D
  • Seat thickness: 2"
  • Minimum Overall Height - Top to Bottom: 33.25"
  • Maximum Overall Height - Top to Bottom: 38"
  • Chair Back Max Height: 16.25"
  • Chair Back Width: 15.75"
  • Overall Product Weight: 22.5lbs


Product Type: Task chairsStyle: Modern
Base Finish: 1: GreenBase Finish: 2: Orange
Base Finish: 3: PinkBase Finish: 4: Purple
Base Material: MetalExterior Seat Material: Mesh
Mechanism: PneumaticSwivel: Yes
Back Height: Mid-backAdjustable Height: Yes
Casters: Yes
  • Double Wheel Casters: Yes
  • Compatible Flooring: Carpet
Heated Seat: No
Country of Manufacture: China 


Assembly Required: Yes 


The Mid Back Space Flex Chair is a Modern style product. Modern style is very sleek with clean lines, and generally incorporates high gloss using whites, greys, and blacks. A focus on geometry and angular shapes is a hallmark of modern design. Glass and leather are also seen a lot with modern style. You can shop for more Modern Office Chairs in the Office Seating section of our site.

About the Manufacturer

OSP manufactures attractive occasional furniture primarily for kitchen and home living. OSP is affiliated with the Office Star furniture group.

OSP Designs Mid Back Space Flex Chair


“Hi, what is the minimum and maximum seat height for this chair?” asked by Janie

"Hello Janie, the seat height range is 16.25" - 20.5"." Tyson from Wayfair


“Hi, what is the weight capacity of this chair?” asked by Therenz

"Hi Therenz, the weight capacity of this chair is 150 lbs." Renae from Wayfair

Still have questions about this product? We're here to help

When you buy a OSP Designs Mid Back Space Flex Chair online from Wayfair Supply, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the OSP Designs Part #: EM39800 here. If you have any questions about your purchase or any other Office Chairs product for sale our customer service representatives are available to help.Whether you just want to buy a OSP Designs Mid Back Space Flex Chair or shop for your entire business, Wayfair Supply has everything you need.

OSP Designs Mid Back Space Flex Chair

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Delivery Estimates

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Return Policy

We want you to love it. If you don't, you may return your purchase within 30 days of delivery. All you need to do is visit our Self-Service Return Center for instructions. Return credits are issued within 24 hours once the item is received and inspected. Please note that shipping charges are non-refundable. The cost of return shipping will be deducted from your refund.

30-Day Return Policy
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Customer Reviews

Tell Us What You Think!

Tell us what you think about the Mid Back Space Flex Chair. It will help us provide you with better products in the future and help your fellow Wayfair shoppers make better purchases.

Average Overall Rating:
(based on 156 reviews)

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 from Lafayette, IN– Verified Buyer

Like this chair. I ordered it in the green and it worked out perfectly.

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Light duty

 from Saint Louis, MO– Verified Buyer

I like this chair and the price was definitely right - but I only needed something to go behind my "check-out" desk/computer which is not where I'm sitting 90% of the time (medical office). It's definitely not built for heavy duty use but it looks great and meets my needs.

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Great home office chair

 from Coral Springs, FL– Verified Buyer

Got this as a gift for my adult daughter after she picked it out herself. She's had it for a couple years now and it's still like new. When she got it she said it was just as comfortable as she was hoping it would be. She spends up to a few hours on her computer at home per day and still loves the chair.

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Great chair

 from New Jersey– Verified Buyer

Great chair! My Daughter loves it. The collor is perfect.

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Looks great but short shelf life

 from Boston– Verified Buyer

The chair looks great but after only a few months the thing started falling apart. Screws were dropping out of the bottom, the pneumatic height adjustment stopped working and the mesh in the upper section of the chair began to pull away from the chair itself.

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Mid Back Space Flex Chair

 from TX– Verified Buyer

Purchased for sons room. Comfortable and durable. Looks great too!

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Great Chair

 from Bellbrook, OH– Verified Buyer

Great price, very comfortable and would buy again. Thinking of getting 2nd chair for basement office.

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Clinic front desk chair

 from Portland, OR– Verified Buyer

Has held up well for our front desk office chair. It's used M-F from 7a-7p with no compaints.

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Great buy

 from New York, NY– Verified Buyer

Not the best design for putting it together, but once you get past that it's comfortable and fits well at my small desk, plus you can't beat the price.

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 from North Carolina– Verified Buyer

Perfect little desk/task chair and exactly what I was wanting and needing. It's super easy to put together. You'll have it up in not time at all.

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Mid Back Space Flex Chair is also sometimes listed under the following manufacturer numbers: EM39800-18, EM39800-261, EM39800-3, EM39800-512, EM39800-6