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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NSF/ANSI 58 Certified 50 GPD Reverse Osmosis Membrane

NSF/ANSI 58 Certified 50 GPD Reverse Osmosis Membrane

Product ID: 44762648

Details

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

💧50 GPD high flow rate

🔧Universal 11.75"x1.75" size

🛡️97% salt rejection efficiency

€ 49.77

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Elevate your water game with pure, powerful filtration—because your health deserves the best.

CONSISTENT HIGH FLOW - Delivers 50 gallons per day to keep your hydration game strong without compromise.
LONG LASTING PERFORMANCE - Enjoy 2-3 years of reliable filtration backed by rigorous third-party testing.
PLUG PLAY COMPATIBILITY - Fits standard 1812/2012 housings—upgrade your RO system hassle-free.
DEDICATED US BASED SUPPORT - Expert help whenever you need it—welcome to the Membrane Solutions family.
PREMIUM PURIFICATION POWER - NSF/ANSI 58 certified TFC membrane removes 99%+ impurities for crystal-clear water.

The Membrane Solutions 50 GPD Reverse Osmosis Membrane is a NSF/ANSI 58 certified, food-grade TFC filter designed for under-sink RO systems and aquariums. It features a 97% stabilized salt rejection rate, removing over 99% of contaminants including heavy metals and harmful minerals. Sized at 11.75"x1.75", it fits most standard RO housings and offers 24-36 months of dependable filtration, supported by US-based customer service.

Specifications

ASIN	B06XC9BVVC
Best Sellers Rank	#10,387 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #84 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 (3,226)
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	7.2 ounces
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 Count

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