Ergonomic Backrest, Black nylon fabric, Lumbar support, EA

Ergonomic Backrest with SmartFit system technology and adjustable straps works in nearly any chair. Easily customize backrest height for maximum firm support of spine and lumbar region. It is height-adjustable for customized lumbar support. Four independent springs conform to fit body shape and articulate with posture and position. Ventilated supports allow air circulation to keep the back cool and dry. Easy-to-remove nylon fabric cover can be machine-washed as needed. Backrest is TAA compliant.