Developed to be able to respond to all the rigourous demands of healthcare environments and care providers. Infection control and housekeeping practices are respected in several construction details such as moisture resistant under seat surface, stitch detailing on seat and back Standard product models are tested to 300 lb active weight capacity. Heavy Duty 24 Hour models are tested to 350 lbs active weight capacity and the very specialized Bariatric models are tested and warranted for users up to 500 lbs 5 ¼" rachet back height adjustment All three back heights offer compound curved back shape Schukra™ depth adjustable lumbar support is standard on selected models G6 Ultimate adjustable lockable arm offers height and width adjustment on low rise T style base. Armcap is soft touch self-skinned urethane Chair back supported on 3" back bar Ultracell high density (HD) and high resilient (HR) foam Side activated seat depth adjustment (MD) standard on Multi-Tilters (except Bariatric models) and optional on Knee-Tilters