AP431 Compatible Filter
High quality, low cost AP431 compatible water filter by KleenWater. The KleenWater KW431 is an alternative replacement cartridge for the AP430 system.
Kleenwater Brand Aqua-Pure Replacement Cartridge
KleenWater hot water protector replacement cartridge for Aqua-Pure.
Aqua-Pure AP431 Filter Replacement
Hot water protector compatible fit replacement Aqua-Pure AP431 water filter.
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Significantly prolongs the life and improves efficiency of traditional and tankless hot water systems. -
Protects hot water systems from acidic corrosion and hard water scale. -
Saves energy which is both environmentally friendly and economical. -
Change cartridge every 6 months.
The KleenWater KW431 "hot water protector" cartridges 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.
KleenWater is a trademark of Pavel Water Filtration.