AQUACREST AP431 Cartridge, Compatible with Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS (Pack of 3)

Extends the service life of your water appliances. Food-grade polyphosphates can extend the service life of your water appliances and effectively inhibit the limescale and corrosion from building up. Accurate design The accurate design promises a precise fit without water leaks. The strength of BPA-free plastic housing is increased so it can prevent bursting effectively. Stable flow rate A stable flow rate of up to 10 GPM ensures water for the whole house.