3 Pack AP431 Cartridge, Replacement for Aqua-Pure Whole House Scale Inhibition Inline Water System Helps Prevent Scale AP430SS - IT'S PURE EXPERT

Compatible with 3M Aqua-Pure AP431, HF8-S, KleenWater KW431.

Interchangeable with 3M Aqua-Pure AP430, AP430SS & SF18-S Scale Inhibition System.

AP431 scale inhibitor ensures you a safe water usage experience.

Replace the corrosion inhibitor every 6 months to achieve effective scale inhibition effect, the specific time depends on the water condition.

With continuous flow of filtered water at steady pressure and flow rates up to 10 gpm, this scale inhibitor cartridge is designed to provide water for your household needs.