Knee Support Standard Small 12.25 13.25 Corded Massagers Pulse Rate: 40~180 times min Otoscope Accessory Pulse Rate: 40~180 times min Based on the needs expressed to us by athletic trainers across the nation Whitehall responded with a full line of whirlpools specifically designed for the treatment and prevention of sports related injuries * These units offer recuperative and healing therapy to the extremities hips back and shoulder areas plus they are long enough to accommodate larger athletes * This option provides a standard stationary unit * Product Function: For use on whole back shoulder * Product Details Material: Stainless Steel * Appropriate for: Athletic Trainer Physical Therapy * Capacity in Liquid Volume: 110 gallons * Body Treatment Location(s): sitting neck * Internal Length: 56 * Internal Width: 24 * Internal Depth: 25 * Certification(s): MET CE 25 (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 Small * Fits knee circum