Product Catalog: Allsteel: Seating: Management / Executive Products 19 (Allsteel) Because the human body shaped its design, #19 is beautiful, comfortable and ergonomically advanced. #19 is the sum of 18 parts, plus one equally integral human being: you are part #19. View Details Acuity (Allsteel) Acuity delivers a noticeably different sitting experience, with intuitive controls and AcuFit®, automatic support adapting to the individual. View Details Relate (Allsteel) Relate combines several innovative technologies that offer active ergonomics and superior support. Relate gives you more comfort and more control. View Details Sum (Allsteel) Sum work chairs and stools feature automatic ergonomics that adjust and conform to the user, providing support exactly where it is needed. No adjustments, no guessing. View Details 2009©ModernBusinessInteriors.All Rights Reserved.