Aqua-Pure by 3M 3MROP412

Aqua-Pure by 3M 3MROP412, Replacement Cartridge for 3MRO301/401/501 Residential Reverse Osmosis Filter System, 1 pack

$49.65 /ea

Aqua-Pure by 3M 3MROP412 Overview

Reverse Osmosis Water Filtration Cartridge Details:

We've got your filtration needs taken care of when it comes to replacing your cartridge for your residential water filter. The Aqua-Pure by 3M 3MROP412 is a replacement cartridge for 3MRO301, 3MRO401 and 3MRO501 reverse osmosis water filter systems. Replacing your old filter will allow you to get all of the perks and protection that this reverse osmosis filter system is going to promise you.

You will be able to enjoy the renewed performance of your system – which is one of the perks of getting the replacement cartridge right – and you'll also find installation easy for a sanitary and comfortable experience.

This filtration system protects form cysts, chlorine, arsenic, TDD and more to give you that heavy duty protection that you're going for. It will also work with your cold-water line to make sure that there is a minimal disruption when the time comes to change it out for a new cartridge.

Giving you protection from drinking water to ice creation, this is going to keep it all in sync for you.Model Specifics: Includes 1 Cartridge


  • Replacement filter cartridge for 3MRO301, 3MRO401, 3MRO501 Residential Reverse Osmosis Filter System
  • Reverse Osmosis process, in conjunction with activated pre- and post-filters reduces particulate, chlorine taste and odor, arsenic, TDS, parasitic protozoan cysts, radium, barium, cadmium, chromium, copper, fluoride, selenium, and other chemical and biological contaminants
  • Cartridge is made from FDA CFR-21 compliant materials
  • Designed for installation on a cold-water line at a maximum water pressure of 125 psi
  • Fast, easy, and sanitary cartridge change
  • Pre-filter wrap reduces sediment while helping to protect the carbon media
  • For bottle water alternatives, drinking water and hydration, pets, refrigerator dispensing and ice making, and brushing teeth

For system: 3MRO401, 3MRO501

Product Dimensions:

  • Height: 13.13 Inches

Aqua-Pure by 3M 3MROP412 Specifications


OEM Numbers
3MROP412, 3MROP412-20A


13.13 Inches


Filter Type
Filter Type
Flow Rate
0.75 GPM
1 Filter
Drinking Water / Under Sink
Reverse Osmosis
Water Filter Application
Product Condition

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Customer Q&A

Customer Reviews

5 out of 5 stars from 1 reviews

John G. - Oct 14, 2020

Delivered: On Time, First Time, Right Price, Exactly what was ordered.