cold water therapy back pad for cryotherapy unit - pad only for circulating ice machine for back, abdomen, large areas m pain management technologies the water therapy back pad is an excellent attachment option for when you need a large pad to cover a wide area, with a surface area of 13" x 24". this pad is designed for use with hot or cold water therapy units - see out infographic on compatibility. this listing is for the back pad as an accessory item, and does not include a cryotherapy machine. includes a single long-wrap for attachment. when you need professional quality treatment to help with post surgical recovery, injuries, or chronic issues, in the comfort and convenience of your own home, cold water therapy units may be the right solution for you. our water therapy pads are hospital grade equipment, so you can receive the very best care whenever and wherever you need it. cryo cool units give your body localized support to get straight to the problem with cold (or hot) water is circulated around the injured body part. circulating ice water therapy settings can cool and soothe inflamed areas and allow you to freely move your joints, unlike unsecured ice packs that can frustratingly change position and fall off with any movement you make. quick-connect-disconnect couplings allow for easy on/off, better, less leaky connection than competitors.take control of your recovery at your own convenience. **coupling converter may be required - see our infographic on compatibility**