Filters Fast Logo Header
Free Shipping on orders over $99 | FREE 365-DAY RETURNS

Product Availability

Please provide your e-mail address below to receive a notification when this product becomes available:


Thanks! We'll send you a notification when this product is available!

Free Shipping Item Banner

3M Aqua-Pure AP903 Whole House Water Filter System


Retail: $441.99 /ea
You Save: 28%
As low as
Retail: $441.99
You Save: 28%
Special Order. Ships in 5 to 6 business days.
Home Filter Club

Sign up for the Home Filter Club in checkout. You choose how often you want your filter, and we take care of the rest. Home Filter Club
Purchasing for a Business?

Contact [email protected] to gain access to case quantity discounts, account management and terms! Home Business Services

The 3M Aqua-Pure AP903 is a whole house water filter system which is one of the optimal single cartridge whole house water filter systems on the entire water filter market. In addition to providing your home with high quality filtered water, the advanced filtration of this whole house water filter system will extend the life of all your household appliances which are connected to the water line. The AP903 allows for fast and easy cartridge changes without the use of filter wrenches.


  • Brand: 3M Aqua-Pure
  • Model Number: AP903
  • Part Number: 56211-02
  • Micron Rating: 5 Micron Nominal
  • Flow Rate: 20 gpm
  • Filter Life: 100,000 Gallons or One Year
  • Connections: 1" FNPT Inlet/Outlet Connections plus 1" Center Core
  • Temp. Range: 40 - 100° F
  • Pressure Range: 25 - 125 psi
  • Dimensions: 25 1/16" H (with bracket) x 4 1/2" W
  • Weight: 7.5 Pounds (Dry) Approx. 15.5 Pounds (Wet)


  • 3M Aqua-Pure AP-917R Filter Cartridge
  • Mounting bracket
  • 304 stainless steel head
  • High quality zinc locking latch



Customer Reviews:

Total Reviews: 2 | Average Rating: 5 / 5.0

i had a bad sulphur smell and taste associated with my well water. the ap903 took away both the smell and taste immediately after installing.. great filter!!

Collected by

My husband and I installed our new AP903 system yesterday and it is fabulous. We have a well and WOW what a difference from the paper water filters we spent lots of money on. Our prayers for a good water system have been answered. Thank You.

Collected by