AlterG® Anti-Gravity Treadmill™ technology combines precision unweighting technology with real-time gait analytics and video feedback. No other unweighting technology offers as much precision, accuracy and comfort than AlterG...
I have one for sale. Did you find one? I used it exclusively for me but I am moving. Just completely serviced by Alter-G. Works perfectly. $19K. F320 model.
A much better option is a lightspeed lift. Way more comfortable and natural and much less money. I have had one for 3 years now and can’t live without it. You can pair it with the treadmill of your choice.