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AP117 Comparable Granular Activated Carbon Replacement Cartridge by Tier1

Price $13.99 List Price Price $19.99 Save 30%
Availability: In Stock
Fits most whole house water filter systems that uses standard 10 x 2-1/2 filter cartridges The solid core of the filter may inhibit it from fitting in some housing caps and sump posts.
  • Ships fast!
  • Big on quality, not on price
  • Reduces chlorine taste and odor
  • Built for performance
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The AP117 Comparable GAC water filter by Tier1 is manufactured for use with many 3M Aqua-Pure and other brand whole house water filtration systems that use standard 10 inch by 2-1/2 inch water filters. Whether you are a first time customer or a veteran user, Tier1 filters are built for performance and backed by an Unconditional Product Guarantee for Life of the Product.

Experience the Tier1 Difference

Tier1 manufactures high-quality filtration and household products. We take creating and maintaining a healthy home seriously. Products must undergo rigorous testing and meet demanding quality expectations in order to earn the Tier1 badge. Every purchase is backed by the Tier1® Guarantee:

  • Guaranteed Fit
  • Guaranteed Quality
  • Guaranteed Price
Package Qty1
Used In Brands3M, Aqua-Pure, Hydronix, Pentek, Tier1
Manufacturer's IdGAC-P117
Advertised Size (in)10 x 2-1/2
Actual Size (in)10 inches (length) x 2 3/4 inches (outside diameter)
Filter Life (gallons)10,000
Filter Life (liters)37,854.12
Filter Life (months)6 months
Micron Rating (Nominal)5
Flow Rate (gpm)3
Flow Rate (lpm)11.356
Warranty GuaranteeUnconditional Product Guarantee for Life of the Product

Reduced Contaminants

The TIER1-GAC-P117 reduces the following contaminants:

  • Bad Taste and Odor
  • Chlorine Taste & Odor
  • Sand


  1. Turn off the water supply. Press the red pressure-relief button (if present).
  2. Unscrew housing. Remove large o-ring, wipe clean, and set aside.
  3. Discard used filter cartridge. Wash housing with dish soap and warm water using a nonabrasive sponge or cloth. Rinse thoroughly. Fill 1/3 with water. Add about 1 tablespoon of bleach and scrub to disinfect. Rinse thoroughly.
  4. Lubricate o-ring with clean silicone grease. Change o-ring if any damage cuts or degradation are present. Insert o-ring in the groove.
    NOTE: this step is important to ensure a proper housing seal. Make certain the o-ring is seated level in the groove.
  5. Insert the new filter cartridge.
  6. Screw housing onto the cap and hand-tighten. do not overtighten. Make sure cap standpipe slips into cartridge.
  7. Turn on the water supply. Press the pressure-relief button (if present). check for leaks before leaving installation.

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