The APT Active Passive Trainer by Mettler is a strengthening machine that allows the clinician to completely control speed, resistance, number of rotations and load levels. They are engineered to improve blood circulation, strength, endurance and muscle tone. The APT Plus has a remote control that facilitates operation for patients who have limited mobility. The Hi-Lo units are 30”W x 40”L x 40”H and weigh 86 lbs. The Hi-Lo trainers include the APT unit and Hi-Lo stand, allowing comfortable, complete workouts in the clinic. Each unit has a one-year warranty, and is excellent for professional use.