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Amazon.com: Ergonomic Kneeling Chair, Adjustable Stool for Home and Office - Improve Your Posture with an Angled Seat - Thick Comfortable Moulded Foam Cushions - Brake Casters : Home & Kitchen
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OSP Furniture Work Smart Pneumatic Drafting Chair with Adjustable Foot Ring. Backless Stool with Seat Saddle Seat and Seat Angle Adjustment. Height Adjustment 25" to 35" Overall. - Walmart.com
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Office Star Work Smart ST217 Pneumatic Drafting Chair. Backless stool with Nylon Base and Adjustable Foot Ring. Height Adjustment 25" to 35". - Right On Time Furniture
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Home Office Lounge Backless Bar Ergonomic Height Adjustable Stool - China Footrest Stool, Height Adjustable Stool | Made-in-China.com
SitStar Stool, Backless, Supports Up to 250 lb, 27" to 34" Seat Height, Black Seat, Black/Chrome Base - BOSS Office and Computer Products
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