3M Aqua-Pure AP431 Scale Inhibitor Replacement Cartridge

  • AP431

  • 4.5 stars
  • (8)
List Price $59.29

Our Price: $38.62

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List Price $592.90

10 Cartridges: $386.20

($38.62/ea.)

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Replace filter every 6 months
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  • Product Overview
  • Reviews
AP431 / AP43111 Scale Inhibitor Replacement Cartridge Specifications
  • Model Number: AP431
  • Part Number: AP43111
  • Type: Polyphosphates inline scale inhibitor
  • Replacement Frequency: 6 months
  • Application: For either city or well water
  • Dimensions: 10½” H x 2¾” D
  • Flow Rate: 10 gallons per minute
  • Weight: 2 lbs.
  • Maximum Temperature: 100 °F
  • 3M ID: 70020319276
  • UPC: 51128889886
Features
  • Replacement Cartridge for the Scale Inhibition System
  • Easy cartridge replacement: simply screw off the old cartridge and replace with the new one
  • Controlled dosage for maximum system performance
  • Provides a consistent, controlled dose of polyphosphates scale inhibitor
Benefits
  • Helps protect piping from corrosion
  • Inhibits scale build-up in water using appliances & hot water heaters (with or without tanks)
  • Maintains efficiency and extends the life of hot water systems and water using appliances

1 out of 1 people found this review helpful.
5.0 Stars

10/10

By Female in 60s and over from Bisbee, AZ on 2/8/2023 1:20:29 PM

We experienced a weather freeze one night and the filter attached to my tankless water system froze and broke. I needed a replacement as quickly as possible. Being a in a remote rural location, we don’t have many options, so I looked online and placed an order. All Filters did not offer an overnight shipping option, so I called customer service and spoke with Henry, who explained the process and provided pricing options to get the item to me as quickly as possible. Henry’s my new hero! He was courteous, efficient and represented the business in a stellar fashion. Thank you for a very positive experience! I’ll be a repeat customer!

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0 out of 4 people found this review helpful.
5.0 Stars

Price was good and fast delivery

By Man in 60s and over from Sparta, MO on 2/11/2021 2:52:35 PM

Have not used yet but price was good and the delivery was fast

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0 out of 4 people found this review helpful.
5.0 Stars

Great product

By Woman in 60s and over from Murfreesboro, NC on 1/14/2021 1:00:55 PM

I couldn't find this filter anywhere and ordered it from All Filters. It was here in a few short days. Thank you.

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1 out of 4 people found this review helpful.
4.5 Stars

Great product

By Anonymous on 3/8/2021 8:16:56 AM

This product has saved our hot water heater. Prior to use of this filter the water heater was lasting one year. Now it has lasted 8.

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1 out of 1 people found this review helpful.
4.5 Stars

Recurring purchase

By Male in 60s and over from Niantic, CT on 12/20/2023 10:05:44 AM

The delivery service is fast and usually in stock. The price is competitive, and the customer service agents are very helpful.

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0 out of 1 people found this review helpful.
4.0 Stars

Works as advertised

By Man in 60s and over from Lexington, SC on 10/19/2019 9:39:23 AM

Installed a replacement tankless water heater. Recommended by manufacturer. So far,works as advertised. Threads are somewhat difficult to match header.Careful not to cross thread these plastic threads.

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0 out of 2 people found this review helpful.
4.0 Stars

Good price and great delivery

By Man in 60s and over on 2/7/2020 12:05:38 PM

was happy with the price and delivery of these cartridges.

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0 out of 1 people found this review helpful.
4.0 Stars

Easy and Quick

By Woman in 60s and over on 12/27/2020 8:41:53 AM

I ordered several different filters for my home at All Filters. The price of the filters was competitive and often beat other sites. The boxes came in without any bruises. The only negative I have is that they did not let me know that my shipment would be in 3 separate boxes, even filters that were the same. When I got the tracking info, I was surprised when only one filter arrived. I called customer service who was very helpful and let me know the other boxes were on their way. Had I known the tracking was for only one box, I would have saved the time contacting the company. Overall, great service at a very busy time of year and products were as ordered. I would definitely order from this company again.

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