Stop hard water mineral buildup such as calcium carbonate (lime scale) from ruining your Ionizer. Cell Safe (™) is an inline filter that helps eliminate scale build up. It is very easy to conceal and does not require a canister/housing. This composite pre-filter not only prevents scaling, but it actually eliminates scale build-up, thereby improving the health and longevity of your Ionizer.
Cell Safe Anti-Scale Hard Water Filter