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  • Heavy duty steel construction
  • Backrest adjustable by 2" in each direction
  • Secure hardboard seat
  • Some assembly required

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National Public Seating 6200 Series Round Lab Stool

National Public Seating 6200 Series Round Lab Stool

The 6200 series heavy-duty lab stool provides a rugged solution for labs, art rooms, or anywhere institutional grade stools are required. Available in 18, 24, or 30” heights with adjustable legs and backrest options, this stool is made of 7/8” 18 gauge steel, powder-coated in gray or black and is fitted with a 14” mason height cardboard seat that won’t crack or warp. The foot ring has an exclusive 4 weld system for added durability, oversize plastic glides come standard, and the adjustable height version is equipped with self-leveling metal glides. The series 6200 is tested to support up to 300 pounds, as per ANSIBIFMA standards. It is also MAS certified green and eligible for earning credits in many sustainability programs. In use in thousands of institutions nationwide, the 6200 series is the workhorse of the industry.

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Built to last, the 6200 series heavy-duty lab stool is perfect for your art room or science lab. Available in a variety of heights with adjustable backrest and leg options, you’ll be able to accommodate all your guests with ease.

Width 15 Inches
Height 24 Inches
Seat Height 24 Inches
Seat Diameter 14 Inches
Adjustable Yes
Capacity 300 lb.
Color Gray
Frame Material Steel
Gauge 18 Gauge
Padded Seat No
Seat Material Hardboard
Shape Round
Type Stools
With Back Yes


Constructed of durable heavy duty steel, this National Public Seating 6224B 24" round hardboard lab stool with adjustable backrest is a great choice for seating in laboratories, art studios, classrooms, and more! The 14" diameter seat pan rests a comfortable 24" above the ground and features an 11 1/2" diameter hardboard seat that is secured with 8 metal rivets to protect against warping, cracking, and chipping.

For maximum stability, the durable 18 gauge steel legs are welded to the foot ring at four contact points per leg, and each leg is capped with a plastic guide for easy movement and scratch resistance. Plus, the included backrest has a 6" x 12" support area and can be adjusted in 2" increments up, down, forward, or backward.

Overall Dimensions:
Width: 14"
Height (with backrest): Adjustable from 37" to 39"
Seat Diameter: 14"
Seat Height: 24"
Capacity: 300 lb.

Because this item is not stocked in our warehouse, processing and transit times 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 once it is placed.

  • MAS Green Product

    MAS Green Product

    This product is certified by the Materials Analytical Services organization as having low volatile organic compound emissions.

Spec Sheet Specsheet Warranty Warranty Assembly Instructions Assembly Instructions

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Customer Reviews

  • Overall User Rating:

    National Public Seating 6224B 24" Gray Round Hardboard Lab Stool with Adjustable Backrest

    5.0 stars from 1 review


    People Talk About:

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    I was looking for kitchen bar stools that I could paint turquoise to match my accent color, and these were the perfect fit. I now have 5 beautiful turquoise stools, and everyone who comes into my kitchen always comments on how cute they are. They are also very sturdy and were a great price.

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