HPF Inline High Alkaline Water Filter Replacement Cartridge 12" x 2"

This cartridge is the Ultimate Post RO filter. The alkalising filter can raise and retain a constant pH between 8.5 and 9.5 over a 12 month period and potentially longer.

It is made up of Pure USA Magnesium Oxide which provides the highest absorption of mineral content into the water over a 12 month period.

When new, the pH ranges from 9.5, and it decreases to around 8pH at the end of the filters life, depending on water quality.

Can be replaced every 12 months.

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