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OmniFilter RS12-SS Replacement for OmniFilter RS3-DS - 2-Pack


Only $6.48 per Filter
Retail: $14.99 /ea
You Save: 14%
Buy 1 - 23 for $12.95 ea.
Buy 24 - 47 for $11.95 ea.
Buy 48 - 99 for $11.45 ea.
As low as
Retail: $14.99
You Save: 14%
in stock
Ships by Monday 7/26/2021
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The OmniFilter RS12-SS 2-Pack reduces dirt, sand, sediment, and rust particles from your water. This whole house string wound filter replaces the OmniFilter RS3-DS which was previously known as model number RS3-DS12-01, RS3-DS12-02, or RS3-DS12-05. If this product is currently out of stock you can order a similar product with a different name brand. Visit the American Plumber, Pentek CW-MF two pack.


  • Micron Rating: 20
  • Flow Rate: 5.0 Gallons per minute
  • Filter Life: 15,000 Gallons or 3 months per filter
  • Filter Size: standard 9.75 X 2.5
  • Pack Size: 2-Pack

Compatible Filter Housings:

The OmniFilter RS12-SS is the correct replacement for the following filter housings:

  • Omni whole house models
  • OT32 Series A UnderSink filter system
  • Any other whole house filter system that calls for a standard size 20 micron string wound filter


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