Customer Review

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  Francia Harvonen

  4.0 out of 5 stars Prevents mineral scale in humidifier tank.

  Reviewed in Canada on November 14, 2019

  Verified Purchase

  These cartridges are basic accessories to maintaining a humidifier. When I add this to the water tank each month, this prevents scale build-up. Then I don't have to de-scale weekly. Also, I only have to replace the filter in three months or more!

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