Will this work for the aquatic life buddie?

Yes it is still working well for my aquatic life ro buddie.

Will this work with hydro logic stealth ro200?

Yes,our 100GPD-2012 size membrane is perfectly compatible with Hydro-logic's Stealth 200 Reverse Osmosis System.

Do any of your ro membranes fit the ao smith ao-us-ro-mb-4000

I am unfamiliar with the system you were referring. However I can offer you this. This is the standard in filtration systems as I know it. If the membrane meaning the RO membrane can fit in a housing that is designed for it then usually that means it will work. So an example would be if you had a 10 inch long 2 1/2 inch diameter housing for a membrane you would roughly need a 10 inch long 2 1/2 inch wide membrane lol. Something helpful for the future as well. Whenever I purchase anything I keep the instruction manual for it in the same place for everything I own. That way if I have a question I can simply go to my “library” and find my answer lol.

Will this work with an ultima vii system?

Your system makes 24gpd, The membrane filter your asking about makes 50gpd. You can upgrade your system to 50gpd by making some changes to the flow restrictor. Go to utube and view numerous videos on RO systmes. The filter will work only after some changes to your system.

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Membrane Solutions 50 GPD Reverse Osmosis Membrane, 1 Pack

Product ID: 44762648

Details

External Testing Certification
NSF
Item Weight
0.45 Pounds
Material
Polyamide
Product Benefits
Provides water
Product Dimensions
1.75"D x x

💧50 GPD high flow rate

📏Standard 11.75"x1.75" size

🛡️97% salt rejection efficiency

S$43

Duties & taxes included

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Description

💧 Elevate Your Hydration Game with Next-Level Purity!

FITS LIKE A GLOVE - Universal 11.75"x1.75" design ensures seamless compatibility with most under-sink RO systems.
LONG LASTING CLEAN - Durable membrane lifespan of 24-36 months keeps your water pure without frequent replacements.
SUPPORT THAT STAYS - American-based expert customer service ready to assist you throughout your membrane’s life.
CERTIFIED PEACE OF MIND - NSF/ANSI 58 tested and third-party verified for trusted, safe drinking water.
PURE PERFORMANCE EVERY DROP - Advanced 0.0001-micron TFC membrane eliminates 99%+ impurities for crystal-clear hydration.

The Membrane Solutions Reverse Osmosis Membrane delivers premium water purification with a 50 GPD flow rate and 97% salt rejection, using a 0.0001-micron food-grade TFC membrane. Designed to fit standard 11.75"x1.75" RO housings, it ensures broad compatibility and a long lifespan of up to 36 months. Certified to NSF/ANSI 58 standards and backed by dedicated US-based support, it’s the smart upgrade for clean, safe drinking water under your sink.

Specifications

ASIN	B06XC9BVVC
Best Sellers Rank	#14,120 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #112 in Replacement Under-Sink Water Filters
Brand Name	Membrane Solutions
Compatible Water Purifier Models	APEC Water Systems ROES-50
Customer Reviews	4.6 4.6 out of 5 stars (3,210)
EU Spare Part Availability Duration	2 Years
External Testing Certification	NSF
Global Trade Identification Number	00850071881820
Item Dimensions D x W x H	1.75"D x 1.75"W x 11.75"H
Item Weight	0.45 Pounds
Manufacturer	Membrane Solutions Corp
Manufacturer Part Number	MSRS001
Material Type	Polyamide Thin-Film Composite
Model Number	ROULP-1812-50
Number of Items	1
Product Benefits	Provides safe-clean drinking water by reducing hundreds of impurities
Set Name	Single
UPC	850071881820
Unit Count	1.0 Count

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