Product Review

KleenWater KW431 compatible replacement filter cartridge for the Aqua-Pure AP431. The KW431 is a replacement cartridge to the AP430 system.

The KleenWater KW431 "hot water protector" cartridge is offered at an aggressive price with free USPS Priority Mail shipping. The active ingredient phosphate, sequesters or binds calcium & magnesium hardness minerals, preventing them from precipitating out of solution and building up on metallic surfaces. Phosphate also forms a thin protective layer on the pipe wall or metallic surface which helps to eliminate hardness build up and corrosion.

Specifications:
Maximum pressure 125 psi
Maximum temperature 100 degrees F