Aqua Pure Filters

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Replacement Cartridge Kit For 3M™ 3MRO401/3MRO501 (Filter Pack)

3MRO401-KIT by
List Price: $243.62
Our Price: $168.89
Savings: $74.73 (31%)
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Discounted 3-replacement filter* pack for the 3MRO401 and 3MRO501 reverse osmosis systems!

Exclusively offered by, this is a 3-cartridge replacement kit for the 3MRO401 and 3MRO501 ensures your system's filters are replaced at the same time and operating at optimum strength.

This kit includes the following easy to change filters:

  • 3MROP411-20A - Sediment removal pre-filter
  • 3MROP416-20A - Carbon-block post-filter to remove the taste and smell of chlorine
  • 3MROP412-20A - Composite sediment/lead filter cartridge reduces sediment, lead, and cysts

This kit ensures that you're getting the correct cartridges for your 3MRO401 Reverse Osmosis system, without any of the hassle of looking up complicated part numbers.

More information regarding these cartridges and reverse osmosis system can be found on the 3MRO401 and 3MRO501 product page.

*Note: The membrane module for the 3MRO401 and 3MRO501 reverse osmosis systems is sold separately - 3MROM413-20A.


  • Weight: 5 pounds