BEVCO Ergonomic Stool: 26 in Overall Ht, Pneumatic Lever, 20 1/2 in min to 25 1/2 in max, Black - 48KR63|S3200R-BLK - Grainger
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Amazon.com: DRAGONN by VIVO Ergonomic Kneeling Chair, Adjustable Stool for Home and Office - Improve Your Posture with an Angled Seat - Thick Comfortable Cushions, Black, DN-CH-K01B : Home & Kitchen
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Amazon.com: Seville Classics Modern Ergonomic Pneumatic Height Adjustable 360-Degree Swivel Stool Chair, for Drafting, Office, Home, Garage, Work Desk, Black, airLIFT Sit Stand Balance and Wobble : Office Products
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Amazon.com: aeris Swopper New Edition Ergonomic Stool - Dynamic Office Chair for a Healthy Back - Office Stool and seat Trainer - 17.7-23.2seat Height, Spring strut Type Standard : Office Products
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