Here is an exercise spa that lets you get a workout under water, tone your muscles and treat your sore joints. It has two river jets that generate 785 gallons per minute of resistance that you can walk or jog against. Handlebars are available on the side allow you to work your legs while the seat lets you tone your arms by rowing.
More gadgets like this: here
This 7′-wide by 4′ deep spa can accommodate up to 6 people. It has an integrated heating system.
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