SKU: 25385150329

RainSoft 21179 Compatible RO Filter Kit - Membrane Sold Separately

Sale price$31.03 Regular price$34.48
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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26

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Description

RainSoft 21179 Compatible RO Filter Kit - Membrane Sold Separately1 Year Filter Replacement Kit for RainSoft 21179 Reverse Osmosis System (RO Membrane Sold Separately) INCLUDES: STAGE 1 1x Carbon Block Pre Filter (OMB934 5M) Replace Every 12 Months STAGE 2 0x (RO Membrane TFC RS9 50 Sold Separately or Included with Replacement Kit YSM RS21179) Replace Every 24 Months STAGE 3 1x Carbon Block Post Filter (OMB934 1M) Replace Every 12 Months Note these filters are high quality replacement filters for the Rainsoft 21179

1-Year Filter Replacement Kit for RainSoft 21179 Reverse Osmosis System (RO Membrane Sold Separately)

INCLUDES:

  • STAGE 1 - 1x Carbon Block Pre Filter (OMB934-5M) - Replace Every 12 Months
  • STAGE 2 - 0x (RO Membrane TFC-RS9-50 Sold Separately or Included with Replacement Kit YSM-RS21179) - Replace Every 24 Months
  • STAGE 3 - 1x Carbon Block Post Filter (OMB934-1M) - Replace Every 12 Months

Note these filters are high-quality replacement filters for the Rainsoft 21179 RO system and not genuine Rainsoft parts.

Note: If your Rainsoft reverse osmosis system is from 2013 or newer, it most likely is the Ultrefiner II. The Ultrefiner II requires proprietary filters that must be purchased from a Rainsoft dealer. Conversion kits to generic non-OEM replacement filters are available.

We offer two replacement filter kits so you can get exactly what you need — and avoid paying for filters you don’t.

  • Year 1 Kit (Includes RO Membrane):
    Ideal for your first full replacement, this kit includes all filters plus the RO membrane, which typically lasts up to 24 months.

  • Year 2 Kit found on this page (Without RO Membrane):
    After the first year, you only need to replace the pre- and post-filters, since the RO membrane is still good for another year. This kit helps you save money while keeping your system performing like new.

*Filters may need to be replaced more often than indicated, depending on incoming water contaminant levels and volume of water being treated

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25385150329

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Reviewed in the United States on May 6, 2026
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