NYOrtho ZERO G Heel Pillow™, 1 Each Heating Units Dual action protein provides superior Ships via truck Dual action protein provides superior results to just single source protein powders UPPER EXTREMITY * Hand Set * Designed to objectively measure volume of the body parts by using the fluid displacement method where the body part is placed in a water filled tank and the resultant overflow is collected and measured * By taking measurements over time edema can be measured and quantified * Includes volumeter overflow cup and graduated cylinder * Slip resistant bottom prevents sliding stretch cover with antimicrobial protection reduces friction