• Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack by Waterdrop
  • Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack - Image 2
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  • Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack - Image 4
  • Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack - Image 5
  • Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack - Image 6
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Waterdrop

Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack

Waterdrop AP431 Replacement Cartridge for Aqua-Pure® AP431, 1 Pack

$42.28 USD
$42.28 USD
Sale Sold out
Shipping calculated at checkout.

About This

  • 【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

Overview

  • Material : food-grade polyphosphates
  • Product Dimensions : 2.56"D x 2.56"W x 9.45"H
  • Item Weight : 16 ounces
  • External Testing Certification : RoHS
  • Product Benefits : Prevent Scale Accumulation
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Customer stories

What Our Customers Say

Hear from customers about their experience with our products and service.

The quality exceeded my expectations. Beautifully made and a pleasure to use every day.

Alex Morgan

Verified customer

A thoughtful design, excellent service, and a smooth experience from start to finish.

Jordan Lee

Verified customer

Exactly what I was looking for. The attention to detail makes this feel truly special.

Taylor Kim

Verified customer

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Frequently Asked Questions

Once your order is shipped, you will receive a confirmation email containing a tracking number and a link to monitor your delivery status in real-time. You can also log into your account to view order history.

We offer a 30-day return policy for unused items in their original packaging. To initiate a return, please visit our Returns Center or contact our customer support team. Return shipping fees may apply unless the item is defective.

We take great care in packaging, but accidents can happen. If your item arrives damaged or defective, please contact us within 48 hours of delivery with photos of the item and box, and we will promptly send a replacement or issue a full refund.

Currently, we ship to the United States and select international regions. Standard and expedited shipping options are available at checkout. Shipping rates and delivery times are calculated based on your location.