Suitable for most spas and hot tubs, also compatible use for inflatable spa, jacuzzi, walk-in bathtub, outdoor swimming pools, baths, plunge pools and most easy-to-use standard bathtubs. 🛀EXCELLENT LTRATION SYSTEM - The spa mineral filter stick multi-layer filtration makes water more healthy and can effectively filter out a variety of impurities, chlorineEco-friendly way to keep spa water in good quality and keep your tub clean.
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