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

Filters Fast® FFUS-003 Replacement for 3US-AF01


Retail: $39.99 /ea
You Save: 38%
Buy 1 - 3 for $24.95 ea.
Buy 4+ for $19.95 ea.
As low as
Retail: $39.99
You Save: 38%
in stock
Ready to Ship! Home Filter Club
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.

The Filters Fast® 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

Filters Fast® FFUS-003 Installation Instructions

Compatible Parts:

The Filters Fast® FFUS-003 Replacement for 3US-AF01 is the correct replacement for the following part numbers:

Part Number
Excelpure Ep-wfc2800a
No results for {X}


Customer Reviews:

Total Reviews: 6 | Average Rating: 4.7 / 5.0

Ronald Gabriel2022-02-20

Continue to use this product.

Collected by
Brenda Wells2021-12-21

This product for under sink cold water works best for us.

Collected by
Michael Z2021-11-13

Exact replacement for and old 3M filter system.

Collected by

Product is fine, packaging was terrible.

Collected by

Quick receipt, easy install, clean water output

Collected by
Jerry F2019-03-02

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

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!