3M Aqua Pure Whole House Water Filter Review

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Product : 3M Aqua Pure AP902, AP903, AP904
Type : Whole House Water Filter
Filtration Stage : 1 – 3 Stages
Product Warranty : 1 year
Suitable For : City or Municipal water

  • Reviews by Existing Customers
  • Filtration Effectiveness
  • Quality of the Product
  • Maintenance and Replacement
  • Installation Easiness
  • Cost Effective (Price/Value)


The Aqua Pure Whole House Water Filter AP900 Series is simple and easy to maintain system. Although it is not quite suitable for well water, it performs quite well in removing chlorine and hardness from city water. It is one of our RECOMMENDED whole house water filter for home owners staying in urban areas.


3M is a well know brand which has literally everything from schools supplies, personal health products to home improvement items. The 3M Aqua Pure Whole House Water Filter is one of them.

3M Aqua Pure Whole House Water Filter Review

There are 3 different models for the Aqua Pure Whole House Water filter. They look exactly the same with only the difference in the filter cartridge content.

Simple One Piece Filtration System
Aqua Pure AP904

It is a simple one piece filtration system which consist of various functionality in the filtration process. It is separated into three parts:

  • 304 Stainless Steel Head: Made to resist corrosion for piping connection.
  • Sanitary Quick Change (SQC): Secure filter cartridge with the steel head.
  • Filter Cartridge: The heart and soul of the system which provides the filtration.

It’s material used on this whole house water filter is FDA CFA-21 compliant.

Let’s look at the comparison below:

Comparison InformationAqua Pure AP902
Aqua Pure AP902
Aqua Pure AP903
Aqua Pure AP903
Aqua Pure AP904
Aqua Pure AP904
Contaminate Filtration- Particulate- Particulate
- Chlorine Taste and Odor
- Particulate
- Chlorine Taste and Odor
- Scale
Filter Stages*123
Flow Rate20 Gallons Per Min20 Gallons Per Min20 Gallons Per Min
Replacement FilterAP910RAP917HDAP917HD-S

*Filtration stages based on personal understanding on the filter and not mentioned by 3M.

3 Different Filter Cartridges

Aqua Pure comes with 3 different filter cartridges for the AP900 series which have a slight different functionality. All it’s filter is able to remove particulate up to 5 microns.

AP910R For AP902 System – Non-woven pleat media which remove particulate such as dirts, sands and rust available in the source water.
AP917HD For AP903 System – Similar to AP910R with additional carbon block filters that reduce chlorine taste and odor from source water.
AP917HD-S For AP904 System – Similar to AP917HD with additional scale inhibition media that breaks the minerals such as calcium and magnesium into crystals to reduce the hardness of water.

Aqua Pure AP910R

Filter Replacement and LifeSpan

Below are the suggested replacement schedule for all three of the filtration cartridge:

  • AP910R, AP917HD, AP917HD-S: 12 Months or 100,000 Gallons.

The systems comes with a refrigerator magnet with electronic count down timer to remind owners when replacement is near.

Maintenance Cost

Not much maintenance is needed for this filtration system other than replacing the filtration cartridge.

The cost set you back between $130 – $170 each year for filter replacement depending on which filter you choose to replace.

The best thing for the AP900 series is Aqua Pure made all the filter connector same for 3 filter cartridges which it is possible to switch between different filter cartridges.

Annual Average Cost : $130-$170


If you have some basic level of plumbing knowledge, you can save the cost by installing on your own. You can refer to the installation guide or the video below before you decide on getting a plumber for installation.

*Note: There are some components that isn’t provide in the package such as ball valves, connectors and bypass pipes. You need to prepare while conducting installation.

Aqua Pure Installation With Bypass
+ Great Quality 304 Stainless Steel Head Connector.
+ SQC design which made filter replacement easy and quick.
+ Interchangeable filter cartridge with different functionality.
+ Filtration and softener capability in one (applicable only to AP904)
+ Filter is small in size. Easily fit in smaller house.
+ Filter replacement once a year.
Not suitable for well water source.
Sediment pre-filter is recommended to install to avoid clogging with dirts especially on AP903 and AP904.

Warranty: 1 years all filter cartridge and 25 years on the stainless steel head.

Technical Specification

System Dimension: H25 1/16”  x D4 1/2”
System Weigh: 7 lbs
Pressure Range: 25 – 125 psi
Temperature Range: 40 – 100°F

Should You Get This? The AP900 series is more suitable to city waters although 3M recommended the AP902 for well water usage. If hardness of water is bothering you, the AP904 is a great deal as it comes with filtration and softener capability.

Verdict: Recommended!

Expert View:

The 3M Aqua Pure whole house water filter is considered an above average system in its category. Here are the few reasons:

  • Softener and Filtration: AP904 has the capability to soften the hard water as well as filter water contaminants.
  • Single Canister: The single canister filter will fit in most space in urban apartments.
  • Easy Replacement: The SQC design made filter replacement easy and fast.

Where Can I Buy It? 

Check the latest price on my number one online trustworthy store, Amazon.


3M Aqua Pure AP904


3M Aqua Pure AP903


3M Aqua Pure AP902

Click on the button to get the recently updated price and find out the reviews of the product by all happy customers.

More Info and Questions

Some question to think about before you buy.

  1. What problem do you face with your current water source?
    • Is it dirty well water? It’s not recommended for this system.
    • Is it hard water? Yes, it can solve your problem. 
    • Or is it chlorine taste and smell? Yes, this filter solves your problem.
  2. Do you have enough space for the Aqua Pure Whole House Water Filter?

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