COLD THERAPY ICE MACHINE SYSTEM. Polar active Ice 3.0 Cold Therapy Ice Machine System w/Programmable Timer, Knee/Joint Compression Pad, Lightweight 9 quart Cooler, Quiet Pump, Strong Cryotherapy Pain Relief Treatment. Sells for over $200 new. Used for 8 weeks during knee replacement. Works great, quiet and easy to use. Highly recommend for joint replacement.