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FiltersFast FFUS-003 Replacement for 3US-AF01


Retail: $39.99 /ea
You Save: 38%
Buy 1 - 3 for $24.95 ea.
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Retail: $39.99
You Save: 38%
in stock
Ships by Tomorrow 10/28/2021
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The FiltersFast FFUS-003 is the compatible replacement filter for the 3US-AF01. The FFUS-003 is an under-the-sink water filter designed to reduce chlorine taste and odor in drinking water and can also filter out sand, soil, silt, rust, and sediment down to 5 microns. The FFUS-003 filter also replaces previous part number WHCF-SRC and Wd-3us-pf01.


  • Part Number: FFUS-003
  • Replaces Part Number: 3US-AF01, WD-3US-AF01, Aqu-9601
  • Dimensions: 10.437" x 3.187"
  • Filter Rating: 5 Microns
  • Flow Rate: 2.0 GPM
  • Operating Temp: 40-100 F
  • No tools required for filter change
  • Capacity: 2,000 gallons or 6 months (depending on water quality and usage)

The FFUS-003 is the correct replacement water filter cartridge for the following filtration systems:

  • 3US-PS01
  • 3US-AS01
  • WF0120, TIER1-US-WF0120
  • Whirlpool WHCF-SUF / WHCF-SUFC

FiltersFast FFUS-003 Installation Instructions


Customer Reviews:

Total Reviews: 3 | Average Rating: 4.25 / 5.0

Product is fine, packaging was terrible.

Collected by

Quick receipt, easy install, clean water output

Collected by

This is the second time I have ordered this filter. Each time it arrived in a timely manner and the website was easy to use and order from! The filter works perfectly and I am very pleased with it's use.

Collected by