Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3
【Protects Hot Water Heaters】: Polyphosphates in AP431 scale inhibitor cartridge help to extend the life of hot water heaters and keep your water-using appliances, like pipes, heaters, dishwashers, washing machine etc.
【Food Grade & BPA-Free】: The AP431 cartridge housing is made from food grade BPA-free plastic, the scale inhibitor cartridge ensures a safe water use experience.
【Steady Flow Rate】: Whole house scale inhibitor filter with a steady flow of up to 10 gpm ensures water at a stable pressure and water throughout the house.
【Easy to Replace】: 3/4" inlet precise design ensures AP431 replacement cartridge fits the original brand perfectly, without any leaks. Easy to change makes system maintenance. Replace the corrosion inhibitor filter every 6 months to achieve effective scale inhibition effect, the specific time depends on the water condition.
【Compatible Models】: Waterdrop AP431 filter replacement for 3M Aqua-Pure whole house scale inhibition inline water system AP430SS, AP430, HF8-S, KleenWater KW431, SF18-S scale inhibition system.
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