---
product_id: 222482963
title: "Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3"
brand: "waterdrop"
price: "₨2665"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/222482963-waterdrop-ap431-replacement-cartridge-for-aqua-pure-ap431-hot-water
store_origin: SC
region: Seychelles
---

# 6-month lifespan 10 gpm flow rate BPA-free housing Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3

**Brand:** waterdrop
**Price:** ₨2665
**Availability:** ✅ In Stock

## Summary

> 💦 Keep Your Water Flowing Smoothly!

## Quick Answers

- **What is this?** Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3 by waterdrop
- **How much does it cost?** ₨2665 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/222482963-waterdrop-ap431-replacement-cartridge-for-aqua-pure-ap431-hot-water)

## Best For

- waterdrop enthusiasts

## Why This Product

- Trusted waterdrop brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Water Flow:** Enjoy a steady 10 gpm flow rate for all your needs.
- • **Eco-Friendly Choice:** Made from food-grade materials for safe water use.
- • **Seamless Compatibility:** Perfect fit for Aqua-Pure models, ensuring no leaks.
- • **Protect Your Investment:** Safeguard your appliances from limescale and corrosion.
- • **Long-Lasting Performance:** Replace every 6 months for optimal efficiency.

## Overview

The WaterdropAP431 Replacement Cartridge is designed to prevent scale accumulation and protect your water heaters and appliances. With a flow rate of up to 10 gallons per minute, this BPA-free cartridge ensures optimal performance and longevity, making it a smart choice for maintaining your home’s water systems.

## Description

Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3

## Features

- 【Protects your water-using appliances】: With the premium polyphosphates in this scale inhibitor cartridge, you can worry less about the accumulation of corrosion and limescale, which may block your pipelines. This efficient filter media will keep your water-using appliances—like dishwashers, heaters, etc.—working optimally and for the longest time possible
- 【Anti-burst properties】: The cartridge housing is made from food-grade BPA-free plastic and fits the original brand perfectly, without any leaks. With its state-of-the-art technology, the scale inhibitor cartridge ensures a safe water use experience
- 【Fast water flow】: With a continuous flow of filtered water at a stable pressure and a flow rate of up to 10 gpm, this scale inhibitor cartridge is designed to provide water for your domestic requirements
- 【Extended lifespan】: Enjoy clean water by replacing your cartridge every 6 months, which will vary based on water conditions. Throughout this time frame, you will get maximum performance
- 【Replacement models】: Replacement for 3M Aqua-Pure AP430, AP430SS, and SF18-S Scale Inhibition System. Interchangeable with 3M Aqua-Pure AP431, HF8-S, KleenWater KW431

## Product Details

- **Material:** Food-grade polyphosphates
- **Product Dimensions:** 2.56"D x 2.56"W x 9.45"H
- **Item Weight:** 1.9 Pounds
- **External Testing Certification:** RoHS
- **Product Benefits:** Inhibits Lime-Scale Growth

## Images

![Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3 - Image 1](https://m.media-amazon.com/images/I/613Ozqy3w4L.jpg)
![Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3 - Image 2](https://m.media-amazon.com/images/I/618wHKqlg5L.jpg)
![Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3 - Image 3](https://m.media-amazon.com/images/I/619MXlaYz4L.jpg)
![Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3 - Image 4](https://m.media-amazon.com/images/I/714Ha81XzsL.jpg)
![Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3 - Image 5](https://m.media-amazon.com/images/I/611n8Tuc+HL.jpg)

## Frequently Bought Together

- Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 3
- Waterdrop AP431 AP430SS Whole House Scale Inhibitor Filter, Heater Softener System, Prevent Scale Build Up On Hot Water Heaters, Pipes and Boilers
- Waterdrop AP431 Replacement Cartridge for Aqua-Pure AP431 Hot Water Scale Inhibitor for AP430SS, Prevent Scale Accumulation and Protect Water Heaters, Pack of 1

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**Shop now:** [https://www.desertcart.sc/products/222482963-waterdrop-ap431-replacement-cartridge-for-aqua-pure-ap431-hot-water](https://www.desertcart.sc/products/222482963-waterdrop-ap431-replacement-cartridge-for-aqua-pure-ap431-hot-water)

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-01-22*