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Spa Frog's Filter Frog provides spa and hot tub owners with an effective way to reduce their systems sanitizer consumption while improving water quality, simply by placing this product inside your filter element. Filter Frog uses silver and copper to naturally kill bacteria without the need for harsh chemical treatments, improving your bathing environment by reducing odors, skin and eye irritation, and foul chemical odors. This product simplifies spa maintenance as well as reducing operating costs by stretching your sanitizer much longer than normal.
Replace every 4 months