Specification Brand : HiWater BulletPoint1 : 【Easy to install】The AP431 Cartridge, Replacement for Aqua-Pure Whole House water filter is easy to install BulletPoint2 : 【Compatible models】: Replacement for 3M Aqua-Pure AP431, HF8-S, KleenWater KW431. Interchangeable with 3M Aqua-Pure AP430, AP430SS and SF18-S Scale Inhibition System.Compatible with 3M Whole House Scale Inhibition Inline Water System AP430SS BulletPoint3 : 【Protects water appliances】: Replacement Cartridge for Aqua-Pure AP430SS/AP431. scale inhibitor cartridge adopts premium polyphosphates that can effectively prevent limescale and corrosion from building up, therefore, the corrosion and blockage of pipelines can be inhibited. The excellent filter material can protect and extend the service life of your water appliances, like heaters, dishwashers, etc. BulletPoint4 : 【Prevents bursting】: Food-grade BPA-free plastic housing adopts excellent strength with latest advanced technology. Accurate design promises a precise fit without water leakage. HiWater AP431 scale inhibitor ensures you a safe water usage experience. BulletPoint5 : 【 Long-lasting service life】: It's recommended that you replace the inhibitor every Six months for effective scale inhibition, which will vary based on water conditions. BulletPoint6 : This AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters helps maintain tankless hot water heater efficiency CareInstructions : Hand Wash Color : White CustomerPackageType : Standard Packaging ExternalTestingCertification : NSF Hazmat : MANUAL GROUNDING IncludedComponents : Food-grade BPA-free plastic,activated carbon ItemName : 2 Pack AP431 Cartridge, Replacement for Aqua-Pure Whole House Scale Inhibition Inline Water System Helps Prevent Scale AP430SS -Replacement Cartridge ItemPackageDimensions_Height : 23.876 centimeters ItemPackageDimensions_Length : 6.35 centimeters ItemPackageDimensions_Width : 12.192 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : replacement-undersink-water-filtration-filters Manufacturer : HiWater Material : Coconut Fiber ModelName : Ap431RC-HI ModelNumber : Hi-AP431 NumberOfItems : 1 ProductBenefit : Reduces Chlorine ProductDescription : 2 Pack AP431 Cartridge, Replacement for Aqua-Pure Whole House Scale Inhibition Inline Water System Helps Prevent Scale AP430SS -Replacement Cartridge ProductSiteLaunchDate : 2023-12-14T08:00:00.000Z Size : 3 Count (Pack of 1) SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 3 UnspscCode : 50181709