# PiConnect wai - Limescale Protection - Replacement Cartridge

> Replacement cartridge for PiConnect wai limescale protection. Bio-process converts carbonate hardness into carbonic acid. Change now.

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[https://www.maunawai.com/gb/en/p/buy/piconnect-wai-scale-protection-replacement-cartridge-replacement-cartridges-piconnect-wai](https://www.maunawai.com/gb/en/p/buy/piconnect-wai-scale-protection-replacement-cartridge-replacement-cartridges-piconnect-wai)