ST1 Tether System install the residue that turns into

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

These are the correct replacement length

The gold standard in swim resistance belts—trusted by thousands of happy customers

with UV and chlorine-resistant compounds for lasting durability in demanding spa environments

ST1 Tether System install the residue that turns intoCompact 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