DMI® Bed Wedge, Foam, 24 in. L x 24 in. W x 12 in. H, White, 1 Each Jobst for Men 15 20 Thigh Hi * 1 year limited (pumps 14283 * 1 year limited (pumps and mattress) and 6 months limited warranties * Portable alternating AC DC pump allows the patient to be totally mobile * Rechargeable battery backup keeps system working for more than 7 hours per charge * Car adapter included 5 (measurement taken just under the knee cap while knee is slightly bent) * Thermal support for prevention treatment & rehabilitation of the knee * Provides protection and support against general wear and tear including sprains strains and twisted knees * Anatomically shaped in 3 pieces for more comfort and a better fit * Thermoskin increases elasticity of muscles tendons and ligaments to reduce the risk of injury when under stress and strain * Clinically proven to increase surface skin and subcutaneous temperature between 2 3 degrees F the optimal level to make tendons and muscles more pliable and elastic to provide optimal muscle function acid reflux neck and shoulder pain