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OSP Designs Space Flex Task Chair

(View all from OSP Designs)

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OSP Designs Space Flex Task 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

Product Details:

  • Product Type: Task chairs
  • Style: Modern
  • Base Material: Metal
  • Mechanism: Pneumatic
  • Swivel: Yes


  • 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 Space Flex Task 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 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 

About the Manufacturer

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


The Space Flex Task 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.

OSP Designs Space Flex Task Chair

Questions & Answers (2)


“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 Space Flex Task 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 Space Flex Task Chair or shop for your entire business, Wayfair Supply has everything you need.
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Customer Reviews

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

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Average Overall Rating
(based on 199 reviews)

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Great colors for the kids

from Katy, TX – Verified Buyer

These chairs are perfect for my kids desks. You have to be heavy enough to use the raise & lower mechanisms but they are very fun. Seem sturdy even though I had trouble getting all of the screws to fit the back mount. I bought 2 chairs and got 3 of 4 screws into one and 2 of 4 into the other. Doesn't seem to effect the sturdiness but time will tell. Good chair for the money. Very bright colors.

Was this helpful? Yes1 No0

Great Chair

from Destrehan, LA – Verified Buyer– Top 1000 Reviewer

The chair was purchased at an exceptional price because it was a return item. It was dusty/dirty but all the parts were there, including the instructions, so I cleaned it as I put it together. The green is bright but I knew that up front. The chair is durable and for the price, it is magnificent.

Was this helpful? Yes1 No0

Mid Back Space Flex Chair

from Forestville, MD – Verified Buyer

This pink Mid Back Space Flex Chair is the perfect chair for my computer space in my master bedroom. Its soft, smells new, flows with me and is flexible. A great buy for the dollar! All of my purchases from Wayfair have exceeded my expectations. I'm very happy with my purchases....I will be making more purchases.....Need a computer chair...buy this one....it comes in different colors but the pink was my choice. Anita

Was this helpful? Yes0 No1

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.

Was this helpful? Yes0 No0

Great price, assembly instructions/items provided need improvement

from Encinitas, CA – Verified Buyer

Was easy to assemble until it came time to attach the back to the bottom. There are two short and two long screws to be used. The short screws aren't long enough to do anything, regardless of which holes you try to use them in. It seems like the two long screws are holding it on well enough on their own, but I will be contacting customer service to see about getting two more of the longer screws sent to me. I ordered the pink. The website shows a pale pink whereas what you get is very bright pink. Its a big difference, and I considered returning it on those grounds alone, but I need a chair, and the price can't be beat. In the end, I decided to just live with it for now. Not a chair for a large person. I'm 5'8" and slender, and it is almost too small for me. Probably a better buy for a child than an adult.

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In Green

from Del Mar, CA – Verified Buyer

This is my son chair. The mesh back make it look like an expensive office version, while it is small enough for a kid desk. It is comfortable, the only thing missing would be the adjustability of the back if you wanted to recline a bit. But otherwise this is a great chair for kids or grown ups with limited space.

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Good chair!

from Henderson, TN – Verified Buyer– Top 500 Reviewer

I have two of these chairs in my sewing room. They roll very easily and are comfortable. The height is easily adjustable.

Was this helpful? Yes3 No0


from Florida – Verified Buyer

I love the chair. Its Very comfortable,great support and quite. Fit my home office desk and smaller area. can sit without figiting for hours. I am so glad I bought this chair!

Was this helpful? Yes1 No0

task chair

from fennville, MI – Verified Buyer

this chair is awesome! easy assembly, comfortable- love it use it for computer room

Was this helpful? Yes2 No0

Great chair for great price!

from New Castle, PA – Verified Buyer

This chair was offered in a color (purple) that I was having a hard time finding in a chair that my teenage granddaughter would like. The color is great, the price was good and the quick delivery was a plus! Would highly recommend this chair and Wayfair!

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