Reverse Osmosis Membrane Replacement for the AO-US-RO-MB-4000 - Not Compatible with SmartFlow Systems
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Reverse Osmosis Membrane Replacement for the AO-US-RO-MB-4000 - Not Compatible with SmartFlow Systems

4.5/5
Product ID: 170412286
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Details

  • Material
    Polycarbonate
  • Product Dimensions
    2.95"D x x
  • Item Weight
    1.1 Pounds
  • External Testing Certification
    IAPMO ANSI NSF
  • Product Benefits
    Removes Lead
1-year membrane lifespan
💧99% contaminant reduction
🧪NSF/ANSI Standard 58 certified

Description

💧 Elevate your hydration game with pro-level purity!

  • ECO SMART INSTALLATION - Reuse your existing 90-degree elbow connection—less waste, more efficiency.
  • SEAMLESS COMPATIBILITY - Designed exclusively for AO-US-RO-MB-4000—no SmartFlow system confusion here.
  • ENGINEERED FOR ENDURANCE - Reliable 1-year lifespan keeps your water fresh without frequent replacements.
  • CERTIFIED SAFETY ASSURANCE - IAPMO tested and NSF/ANSI 58 certified for trusted, professional-grade filtration.
  • PURE WATER ZERO COMPROMISE - Eliminates up to 99% of lead, fluoride, arsenic & more for crystal-clear hydration.

This Reverse Osmosis Membrane Replacement is specifically designed for the AO-US-RO-MB-4000 system, reducing up to 99% of harmful contaminants including lead, fluoride, and arsenic. It offers a reliable 1-year lifespan and meets rigorous NSF/ANSI Standard 58 certification, ensuring professional-grade water filtration. Note: Not compatible with SmartFlow systems and requires reuse of the existing 90-degree elbow connection.

Have a Question? See What Others Asked

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Reviews

4.5

All from verified purchases

B**L

Perfect Replacement

We were waay behind on replacing our reverse osmosis system filters and our local store didn't have any in stock. Thank you, Amazon, for having them available and at a comparable price.

T**R

Original Equipment RO Membrane.

This is the same as the original that came with my RO system. Very easy to install. I have mine automatically sent every 6 months so I don't have to remember.

A**R

Filters

Perfect fit

D**T

Good enough

Not as good as the original DuPont membrane but does the job. TDS around 15-20 as compared to 8-12 with the original.

A**R

It fit my Costco Pureblue H2O system!

The media could not be loaded. There's mixed reviews as to whether this filter fits the pure Blue H2O system from Costco . It fit mine with minimal modification as others suggested. Just remove the triangle tab on top of the filter. I bought new filters for the system thinking they were the cause of the slow flow rate of water, in the process I discovered that my water tank was low on pressure and had to simply add air to the system through the valve stem. It fills up just like a bicycle tire. Worth checking while you're working on the system, you can find many YouTube videos on it. My system was due for new filters anyway and this was my only option left for the R. O. filter. Glad it worked! Hope this helps others as well.

M**A

It works

It does fit with my out of production system, i’m glad because this filter is the only one replacement that I couldn’t find anywhere else. Now I could extended it along with the other cartridges

M**S

Leaked at bottom of canister. Had to throw away at complete loss.

Leaks

P**O

Replacement for for the Costco setup

For those that know, the Costco water filter Ro system has replacement filters that are very difficult to find. You can find the original ones but they cost an arm and a leg and often do not include this very filter which connects to the drain. That said, this filter alone tends to remain expensive no matter what variation you purchase. This one is shorter than the original ones from Costco but still does offer the same amount of filtration for the RO system

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Reverse Osmosis Membrane Replacement For The Ao Us Ro Mb | Desertcart INDIA