3M Aqua Pure Water Filters: AP 902, 903 and 904 Reviews

A whole house water filtration system is the most practical and economical solution to your all water filtration needs. 3M Aqua-Pure has been providing quality water filtration systems for quite some time now. These systems are effective, inexpensive, consume less space, and are easy to operate.

We are reviewing the 3M Aqua-Pure whole house filtration system for you so that you can make a calculated decision for your needs. We have done considerable research on all the filtration systems and especially 3M Aqua-Pure. This review will clear all your doubts about the features of Aqua-Pure.

Let’s get your water purified!

Some Quick Facts

Model: 3M Aqua-Pure Whole House Water Filtration System

  • AP 902: Sediment Removal Model
  • AP 903: Sediment & Chlorine Removal Model
  • AP 904: Sediment, Chlorine Removal & Anti-Scale Model
  • Flow Rate: 20 Gallons/Minute (All models)
  • Capacity: 100,000 Gallons (12 Months for Average American Family) for all models
  • Number of Filters: 1
  • Filtration Stages: 1-3 (Depends on model)
  • Filter Lifespan: 1 Year
  • Warranty: 1 Year
  • Dimensions: 25.1 x 4.5 x 4.5 inches
  • Weight: 7.69 pounds
  • Wastage: Zero
  • Colour: Blue and Stainless Steel

3M Aqua-Pure Water Filters (Comparison)

 3M Aqua Pure Water Filters 
Editor's ChoiceAP 902
  • Filters sand, dust, rust

  • below 15 microns filter capacity

  • Carbon filters

AP 903
  • Up to 5 microns filter capacity

  • 20 gallons/minute flow rate

  • activated carbon technology

AP 904
  • Best for heavy water supply

  • 100,000 gallons/year

  • 1 year filter life


Now we will review all the models along with their features:

1. AP 902: Sediment Removal Model3M Aqua-Pure AP902

What Filters? This model filters sediments in your water like sand, dust, and rust in your water source. It does not remove chlorine and scale-causing elements in the water. The sediment reduced by the filter helps in increasing the life of your appliances. You also get to drink pure water and do every household water-task with pure water. Get clean and pure water for cooking, washing, and bathing purposes with AP 902.

How it Filters? AP 902 uses 3M Aqua-Pure Replacement filter cartridge AP910R for filtering your water. AP910R can filter particles down to 15 microns. It uses carbon filters to give you the best possible results and ensure that there are no sediments left in the water, so you get to drink pure water, and your appliances stay safe.

2. AP 903: Sediment & Chlorine Removal Model

AP 903 Aqua-Pure

What it Filters? This model is an upgrade to the previously discussed mode. It offers sediment removal up to the size of 5 microns and at the same time, removes chlorine and odors from your water. AP903 is 85 percent effective and removes chlorine and other harmful substances from your water like bacteria, viruses, insecticides, herbicides, and pharmaceuticals. This filter is ideal for municipal water supply and well water supply as it will remove chlorine and sediments with extreme precision.

How it Filters? AP903 comes with the AP917HD water filter. The filter is designed, keeping in view easy replacement and a fast flow rate of 20 gallons per minute so you can enjoy fast running water at all points of use in your home. The activated carbon technology used in the filters ensures that you get the best results from your filtration system.

3. AP 904: Sediment, Chlorine Removal & Anti-Scale Model

3M Aqua-Pure

What it Filters? AP 904 is the most versatile model of 3M Aqua-Pure. It goes a step further from sediment removal, chlorine, and odor removal by controlling the scale buildup in your appliances. You might be worried that it may also remove useful minerals from your water that are healthy for your body. No, it only eliminates the number of minerals up to such a level that is harmful to your plumbing fixtures, appliances, clothes, and glass utensils. The sediment and chlorine removal capabilities are the same as already discussed. It is perfect for areas where heavy water is supplied. You can check this by looking for scale buildup on your plumbing fixtures, faucets, showers, or appliances that use water.

How it Filters? AP 904 uses an AP917HD-S water filter to remove sediment, chlorine, odour, and all the elements causing scale in your appliances and water pipes. It is an upgrade to AP917HD with scale filtration capabilities. It can filter up to 100,000 gallons of water and can last for 1 year for an average American household.

Replacing the Filters: Replacing the filters is an easy task. The Sanitary Quick Change (SQC) design enables you to change the filters without any plumbing equipment. It just takes a couple of minutes to replace your filter. The filter lasts for 12 months or 100,000 gallons of water.

Technical Details

The inlet and outlet connections are of 1-inch diameter, and the standard size helps in easy installation and maintaining a fast flow rate of 20 gallons per minute. The head of this filter is made from 304 stainless-steel. It is a corrosion-resistant material and increases the durability and life of your water filtration system. All the materials used in the manufacturing process are NSF 42 certified and contain no harmful substances. The filters are made from certified food-grade carbon.


Installing all the models is an easy task. If you know your way around the plumbing fixtures of your house, you can get it fixed in just a couple of hours. For a professional plumber, it is just a routine task. All the material needed to install the system comes along the system. You need basic tools like wrench, screwdrivers, and some plumbing knowledge to install this model.

Cost Analysis

Cost analysis is fundamental before buying a water filtration system. we have mentioned the average monthly costs for all the models below:

  • AP 902:10-11 Dollars
  • AP 903:12-13 Dollars
  • AP 904:15-16 Dollars

Comparing these costs with other water filtration systems and other means of water filtration like pitchers/dispensers, sink faucets/shower filtration systems tells us that 3M Aqua-Pure is a very economical option. Replacement costs for all the separate filters are very high as compared to a whole house water filtration system.

Distinct and Unique Design

3M Aqua-Pure is one of a kind design. If you are looking for a water filtration system that will occupy very little space and still do its work most efficiently and effectively, then you have got the answer to your search. 3M Aqua-Pure is a one-piece filtration solution that offers excellent water filtration solutions at an economical price and less space utilization.


  • Very economical
  • Easy installation and filter replacement
  • Takes less space as compared to other models
  • Corrosion and rust-free materials used in making
  • Filters are compatible with all models


  • Sediment filtration is not that effective in AP 903 and AP 904 models

Our Opinion and Verdict

After reviewing all the features of 3M Aqua-Pure, we recommend this product for your use. It is a very useful, economical, and practical solution to all your water filtration needs for the whole house. We rate it at 4.6 out of 5.

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