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Amazon.com : Bestway SaluSpa San Francisco HydroJet Pro Inflatable Hot Tub Spa | Large, Square Portable Hot Tub with Cover | Features Filtered Heated Water System and 180 Jets | Fits 5-7
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Amazon.com : Bestway SaluSpa San Francisco HydroJet Pro Inflatable Hot Tub Spa | Large, Square Portable Hot Tub with Cover | Features Filtered Heated Water System and 180 Jets | Fits 5-7
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Plug and play hot tubs - helpful setup tips with must-get accessories - Part 3 - Funky Junk Interiors
![What is this knob at the top of my inflatable hot tub? It is not under the water when no one is in the tub. The hot tub is a Bestway SaluSpa What is this knob at the top of my inflatable hot tub? It is not under the water when no one is in the tub. The hot tub is a Bestway SaluSpa](https://preview.redd.it/what-is-this-knob-at-the-top-of-my-inflatable-hot-tub-it-is-v0-69rprzhd80g91.jpg?auto=webp&s=3f17297a35e1a098d93721596b529641f91e9515)