Live Chat
Filters Fast Logo Header
bbb A+ site secured
Free Shipping on orders over $75

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!

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


OmniFilter RS12-SS Replacement for OmniFilter RS3-DS - 2-Pack
Only $5.23 per filter
Product Options
OmniFilter RS12-SS Replacement for OmniFilter RS3-DS - 2-Pack
Filters Fast Recommended
FiltersFast FF10S-20 Replacement for Pentek PS20-10C
$3.45 /ea
Retail: $11.99 /ea
You Save: 13%
Buy 1 - 23 for $11.95 ea.
Buy 24 - 47 for $10.95 ea.
Buy 48 - 99 for $10.45 ea.
As low as
Retail: $11.99
You Save: 0%

in stock
Ships by Tomorrow 7/17/2020
Sign up for the Home Filter Club during checkout.
You choose how often you want your filter, and we take care of the rest.
Are you a purchasing agent? Purchasing for a business?
Contact [email protected] to gain access to case quantity discounts, account management and terms!
Product Information

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


Customer Reviews:

There are no reviews for this product yet!

" Yes, my order was delivered...Real Quick! I love your company and the prompt service. Thanks! " - Jeryl, Winfield, IA
Sign Up for Promotions
business services
Business Services
Terms of Use | Privacy Policy | Sitemap | Model Lookup ©2005-2020 Filters Fast LLC - All Rights Reserved