3-PACK Original Aqua-Pure 3M Cuno Scale Inhibition Replacement Cartridge
For use in AP430SS System
The AP431 is a replacement filter cartridge for the Aqua-Pure 3M Cuno AP430SS Scale Inhibitor Filter System. The AP431 does not use Sodium, but Siliphos which is a 100% pure food grade scale inhibitor approved by the USDA.
Features
Specifications
12/19/2014 – I have the Aqua-Pure AP431 on the cold water inlet feed to my tankless hot water coil in my boiler at home. We have hard . . .
Response From Healthnut /Samson /Miracle Exclusives: The manufacturer does recommend change every 6 months. A lot depends, however, on how hard the water is and how much water you use.
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