SKU: 46951196859

3M Aqua-Pure 3MRO401 Reverse Osmosis DWS Cartridge Kit, Cartpak, 3MRO401-01A, Fluoride and Lead Removal

Sale price$170.10 Regular price$189.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

3M Aqua-Pure 3MRO401 Reverse Osmosis DWS Cartridge Kit, Cartpak, 3MRO401-01A, Fluoride and Lead RemovalThe 3M Aqua Pure 3MRO401 DWS Reverse Osmosis System 4 Cartridge Cartpak, 3MRO401 CP, is designed for reliable performance, easy installation, and dependable operation in commercial or residential applications. The 3M Reverse Osmosis Drinking Water Filtration System helps provide cleaner, better tasting water through reverse osmosis filtration. 3MRO401 offers multi stage filtration, incorporating separate sediment and chlorine taste & odor filters for

The 3M Aqua-Pure™ 3MRO401 DWS Reverse Osmosis System 4-Cartridge Cartpak, 3MRO401-CP, is designed for reliable performance, easy installation, and dependable operation in commercial or residential applications.

The 3M™ Reverse Osmosis Drinking Water Filtration System helps provide cleaner, better-tasting water through reverse osmosis filtration. 3MRO401 offers multi-stage filtration, incorporating separate sediment and chlorine taste & odor filters for excellent membrane module protection, a sanitary, encapsulated reverse osmosis membrane, and carbon block post-filtration for superior flow from a dedicated faucet. The system is powered by residential line pressure — no electricity required. The system helps conserve water, shutting down when the storage tank is full and turning back on to refill the tank.  Replacement filters are easy to change – twist on, twist off, no mess. 

Specifications:

  • Brand: 3M Aqua-Pure™
  • Part Number: 3MRO401-CP
  • Application: Drinking Water, Drinking Fountains, Under Sink
  • Replacement Interval: AS NEEDED / 6-12 MONTHS
  • Compatibility: Great for lead, chlorine, and Fluoride reduction in your home
  • Cartpak Contains: (1) 3MROP411 (1) 3MROP412 (1) 3MROM413, (1) 3MROP416

NOTE: Please verify your model number, connection type, and system compatibility before ordering.

Why choose this product?

  • Reduces Sediment, Chlorine Taste & Odor, Cysts, Arsenic, Barium, Cadmium, Chromium (Hex), Chromium (Tri), Copper, Fluoride, Lead, Radium, Selenium, Select Volatile Organic Compounds (VOCs), Turbidity, and Total Dissolved Solids (TDS)*.
  • Installs under the sink for dedicated drinking and cooking water use.
  • 5 micron sediment/carbon pre-filter for optimal sediment holding capacity.
  • Granulated Activated Carbon pre-filter to help protect membrane.
  • Reverse Osmosis Membrane module capable of producing up to 18.98 gallons (71.73 liters) per day of clean, fresh water every 24 hours†
  • 10 micron nominal carbon block post-filter to provide satisfying flow from the faucet.
  • Sanitary Quick Change (SQC) design allows for fast and easy, 1/4 turn replacement filter change-outs without the need for a filter wrench.
  • System is designed for both chlorinated and non-chlorinated municipal or well systems.
  • Helps to conserve water (compared to systems without an auto shut off), shutting system down when the storage tank is full and automatically turns on to refill the tank.
  • Designed for dependable performance
  • Easy replacement or installation
  • Commercial-grade quality
  • Backed by knowledgeable product support

1 Based on higher flow rate, higher daily production rate and additional VOC claims compared to previous 3MRO401 model.

*See Performance Data Sheet for additional details.

†Nominal production rate of membrane when running to atmosphere (i.e. with empty tank) at 77ºF and 50 psi 18.95 gpf (71.13 lpd). Production varies based on pressure (fullness) of storage tank. 

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: 46951196859

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Verified Purchase
KNE
Massapequa, US
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
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Reviewed in the United States on May 30, 2026
M
Verified Purchase
Mike Summers
Port Orchard, US
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽‍♀️
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Reviewed in the United States on May 20, 2026
T
The Pacific Northwesterners
Whiting, US
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose. The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors. For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings. Pros: - Breathable mesh keeps feet cool - Easy slip-on design with elastic laces and pull tabs - Lightweight and comfortable for all-day wear - Accurate sizing with a roomy width - Durable for the price Cons: - Sole can be slippery on hard smooth surfaces - Limited outsole grip compared to rubber-soled shoes
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Reviewed in the United States on June 1, 2026
D
DR
Charlottesville, US
★★★★★ 5
Great kids' shoe — easy on, comfy all day
Size: 3 Little Kid, Color: Pink/Lavender
My kid has been wearing these for a few weeks now and I'm genuinely impressed with how well they've held up. The knit mesh upper keeps feet cool and comfortable during long days at school and outdoor play, and the cushioned EVA midsole does a great job absorbing impact. What really won me over is the slip-on design with elasticated laces and dual pull tabs — my child can put them on and take them off completely independently, which is a huge win. The fit is snug but not tight, and they run a bit roomy in width, which is great for kids with wider feet or those who need a little growing room. At $32, the quality feels solid for the price. Lightweight, breathable, and easy to wear — these check all the boxes for an everyday kids' shoe.
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Reviewed in the United States on May 23, 2026
M
Melissa
New York, US
★★★★★ 5
Cute, Comfortable, Light-Weight Shoes, Perfect for School
Size: 11 Little Kid, Color: Pink/Lavender, Size: 11 Little Kid, Color: Pink/Lavender
These have turned out to be great everyday shoes for my 5 year old. She normally wears a size 10, but since that size wasn’t available, I ordered the 11 expecting her to grow into them. I was pleasantly surprised that they already fit her pretty well. There’s still a little extra room in the toe area, but the shoes fit securely around her ankles so they don’t feel loose or slip off while walking or playing. She says they’re very comfortable and loves how easy they are to slip on by herself. The lightweight design is nice for everyday wear, and they’ve held up well so far despite being worn almost daily. They've become her favorite shoes to wear! Also the pink/lavender color is really pretty in person. Overall, I’m very happy with them and would order again.
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Reviewed in the United States on May 13, 2026

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