Medic Air Back Pillo Geriatric Chairs This digital technology enabled us H300 is the third This digital technology enabled us to create one effective solution for a wide range of your hearing difficulties Premium 23 die cast aluminum base with satin finish top * 5 leg design for greater stability * Full size diameter top and base for comfort and stability * 4 thick seat for extra comfort * Black hooded dual wheel nylon casters * Pneumatic height adjustment * All seats have 3 4 thick solid plywood base * Lever controls height * Knock down design saves on shipping * Easy no tools required assembly * Premium stain resistant woven knit backed vinyl upholstery * 250 lbs Dimensions: 18 W x 15 H * Air cushion provides relief of back pain and long term sitting comfort * Supports curve of lower back adjust amount of air for firmness * Straps hold pillo in place * Easily portable with carry case * Guaranteed for one year *