--- product_id: 222482963 title: "AP431 Replacement Cartridge for Aqua-Pure® AP431, 3 Pack" brand: "waterdrop" price: "AR$228005" currency: ARS in_stock: true category: "Waterdrop" url: https://www.desertcart.com.ar/products/222482963-ap431-replacement-cartridge-for-aqua-pure-ap431-3-pack store_origin: AR region: Argentina --- # 6-month extended lifespan 10 GPM flow rate BPA-free anti-burst housing AP431 Replacement Cartridge for Aqua-Pure® AP431, 3 Pack **Brand:** waterdrop **Price:** AR$228005 **Availability:** ✅ In Stock ## Summary > 💧 Keep your water flowing flawlessly—because your appliances deserve the best! ## Quick Answers - **What is this?** AP431 Replacement Cartridge for Aqua-Pure® AP431, 3 Pack by waterdrop - **How much does it cost?** AR$228005 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/222482963-ap431-replacement-cartridge-for-aqua-pure-ap431-3-pack) ## 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 - • **Consistent Water Flow:** Delivers a stable, fast flow rate of up to 10 gallons per minute for uninterrupted daily use. - • **Leak-Proof Durability:** Crafted with food-grade BPA-free plastic, ensuring a secure, anti-burst fit with zero leaks. - • **Scale-Free Performance:** Premium polyphosphates actively prevent limescale buildup, protecting your appliances and plumbing. - • **Seamless Compatibility:** Perfectly interchangeable with 3M Aqua-Pure AP431, AP430SS, HF8-S, and KleenWater KW431 models. - • **Long-Lasting Protection:** Replace every 6 months to maintain peak filtration and extend the life of your water-using devices. ## Overview The Waterdrop AP431 Replacement Cartridge 3-pack offers advanced scale inhibition with premium polyphosphates, protecting water-using appliances from corrosion and limescale. Featuring BPA-free, anti-burst housing and a high flow rate of 10 GPM, these cartridges ensure safe, efficient water filtration. Designed for a 6-month lifespan and compatible with multiple 3M Aqua-Pure models, this set guarantees long-lasting, leak-free performance for your home or office water systems. ## Description desertcart.com: Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 3 Pack | Water Filter, Replacement Cartridge for Aqua-Pure® AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers : Tools & Home Improvement ## 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B089W6SJF1 | | Best Sellers Rank | #14,106 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #100 in Replacement Under-Sink Water Filters | | Brand | Waterdrop | | Brand Name | Waterdrop | | Compatible Water Purifier Models | 3M SF18-S | | Customer Reviews | 4.6 out of 5 stars 1,094 Reviews | | External Testing Certification | RoHS | | Included Components | AP431 Replacement Cartridge*3 | | Item Dimensions D x W x H | 2.56"D x 2.56"W x 9.45"H | | Item Highlight | Water Filter, Replacement Cartridge for Aqua-Pure® AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers | | Item Weight | 1.9 pounds | | Manufacturer | Waterdrop | | Manufacturer Part Number | WD-AP431 | | Material | Food-grade polyphosphates | | Material Type | Food-grade polyphosphates | | Model Number | WD-W65 | | Number of Items | 3 | | Product Benefits | Inhibits Lime-Scale Growth | | Product Dimensions | 2.56"D x 2.56"W x 9.45"H | | Set Name | Waterdrop AP431 Replacement Cartridge Set | | UPC | 840814177501 | | Unit Count | 3 Count | ## Product Details - **External Testing Certification:** RoHS - **Item Weight:** 1.9 pounds - **Material:** Food-grade polyphosphates - **Product Benefits:** Inhibits Lime-Scale Growth - **Product Dimensions:** 2.56"D x 2.56"W x 9.45"H ## Images ![AP431 Replacement Cartridge for Aqua-Pure® AP431, 3 Pack - Image 1](https://m.media-amazon.com/images/I/71r+OcOtWxL.jpg) ## Available Options This product comes in different **Size** options. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/222482963-ap431-replacement-cartridge-for-aqua-pure-ap431-3-pack](https://www.desertcart.com.ar/products/222482963-ap431-replacement-cartridge-for-aqua-pure-ap431-3-pack) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-25*