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Waterdrop

Waterdrop Scale Inhibitor Filter Replacement for Aqua-Pure® System AP430SS, AP431 Whole House Scale Inhibition Inline Water System, Prevent Scale Accumulation and Protect Water Heaters, 1 Pack

Waterdrop Scale Inhibitor Filter Replacement for Aqua-Pure® System AP430SS, AP431 Whole House Scale Inhibition Inline Water System, Prevent Scale Accumulation and Protect Water Heaters, 1 Pack

$32.49 USD
$32.49 USD
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About This

  • 【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.

Overview

  • Material : polyphosphates
  • Product Dimensions : 2.55"D x 2.55"W x 9.46"H
  • External Testing Certification : RoHS
  • Product Benefits : Prevent Scale Build Up On Hot Water Heaters
  • Brand : Waterdrop
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FAQ

How long does shipping take?

After order processing, Economy shipping takes 5–8 business days, and Standard shipping takes 3–4 business days. Business days exclude weekends and public holidays. Order processing (packing and fulfillment) usually starts within 0–1 business day after payment confirmation.

How much is the shipping fee?

Economy shipping is $4.90, and Standard shipping is $7.90. Shipping costs are automatically calculated at checkout. Additional fees may apply for oversized or heavy items.

How do I handle returns or exchanges?

Returns are accepted within 30 days of delivery. Items must be unused and in their original packaging.

- Defective/incorrect items: We cover the return shipping cost and offer a refund or exchange.
- Change of mind: The customer is responsible for the return shipping cost.