ST1 Tether System install Not sure which size fits

Not sure which size fits your spa

or ST3) to unlock swimming

and water jogging system designed exclusively for swim spas

the residue that turns into film by morning if you leave it

ST1 Tether System install Not sure which size fitsCompact Pools. Full Body Training. The ST1 turns small water into a real workout. Designed for tight spaces and swim spas, it delivers consistent resistance while minimizing vertical movement. Instead of swimming laps, you swim effort. Why This Model Best choice for tight spacesstable, predictable positioning without needing depth or distance. Feel Stable, centered resistance ideal for conditioning, rehab, and daily movement. Best For Swim spas Small