Top 10 Best ro membrane in 2026

Last Updated - 6/18/2026

🏆Best Choice

iSpring

iSpring Greatwell Reverse Osmosis Membrane 75 GPD 11.75” X 1.75”, Replacement Fits Standard Under Sink RO Drinking Water Filtration System, MC7

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Enjoy Your Water with Confidence: Our Reverse Osmosis membrane is able to remove up to 99% of over 1,000 contaminants from your water, including lead (removes up to 98% of lead), chlorine, fluoride, arsenic, asbestos, calcium, sodium and more.
•Top-notch Quality - Tested by independent third-party to meet NSF/ANSI Standards, our Reverse Osmosis Membrane is made of food-grade high capacity material that provides high packing density to remove contaminants. With the 0.0001 micron size, it only allows water molecules to squeeze through and virtually nothing else. TDS rejection rate up to 97% (under NSF58 testing condition).
•Standard Size - With 11.75" X 1.75" industry-standard size, our membrane fits most standard under sink RO membrane housings. It has the capability of producing 75 gallons of water per day, ensuring that families of nearly any size will have plenty of clean drinking water available on demand.
•Peace of Mind Customer Service - Register online to activate your manufacturer warranty and life-time free tech support. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately. We are happy to help!
•Please note - The membrane normally lasts about 2-3 years depending on your source water quality. If your water is very hard (Total Dissolved Solids level above 750 ppm), please contact us for customized solutions.

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$35.99

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Membrane Solutions

Membrane Solutions Reverse Osmosis Membrane 50 GPD 11.75"x1.75" RO Membrane Water Filter Replacement Fits Under Sink RO Drinking Water Purifier System 1-Pack

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•MATERIAL SAFETY: MS Reverse Osmosis (RO) membranes are made from 100% food-grade Thin Film Composite (TFC) material for ultimate purification performance with high permeate flow, tested by an independent third-party to meet NSF/ANSI 58 standards, providing safe-clean drinking water.
•HEALTHY DRINKING: 50 GPD RO membrane with a high 97% stabilized salt rejection rate. Hundreds of impurities are reduced by over 99% through the 0.0001-micron TFC membrane layer, including heavy metals (fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic materials, and harmful minerals, including other soluble salts found in water resources.
•UNIVERSAL MEMBRANE SIZE: Industry-standard element size 11.75 x 1.75-inch, designed to fit in standard 1812/2012 residential-style RO membrane housings utilizing a 2-inch internal diameter. Suitable for most Reverse Osmosis Water Filtration System.
•WIDE COMPATIBILITY: Reverse osmosis water filter replacement for standard membranes including but not limited to APEC MEM-ES-50, Aquatic Life 330084, AXEON TF-1812-50, Dow Filmtec TW30-1812-50, Express Water FLTMEME50, FS TFC TFC-1812-50, GE FX12M, MC5.
•LONG-LIFE: The membrane element, shipped dry in an original sealed package, has a life expectancy between 24 to 36 months, based on average feedwater quality, temperature, and incoming water pressure.
•ON-DEMAND SUPPORT: Assistance is available from our experts, ready to answer any of your questions about your RO membrane. Have a concern or question? American based customer support is available for the life of the product. Welcome to the Membrane Solutions Family.

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$18.99

$21.99

-14%

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EXPRESS WATER

Express Water - FLTMEME50 – Reverse Osmosis Membrane – RO Membrane 50 GPD Water Filter Replacement – Under Sink and Reverse Osmosis System

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Reverse Osmosis Membrane Replacement: Experience what water should taste like with the Express Water reverse osmosis water filtration system reducing up to 99.99% impurities.
•RO Membrane Replacement: Each Express Water replacement RO membrane is specially designed for quick and easy replacement. Get the cleanest water and the best value in your reverse osmosis water filter.
•Reverse Osmosis Membrane: High density graded RO membrane ensures even the smallest of impurities from your drinking water including heavy metals, TDS, arsenic, fluoride, and more.
•Replacement RO Membrane: Express Water RO membranes are made with the highest quality materials for long-lasting filtration and value.
•On Demand Support: Support from experts who can answer any of your questions about your replacement reverse osmosis membranes

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$19.99

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Dow Filmtec

FilmTec, BW60-1812-75 75 gpd TFC Membrane for Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-75)

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•75 Gallon Per Day (7. 9 Liters per Hour) Capacity
•98% Stabilized Salt Rejection (Minimum Rejection 96%)
•NSF/ANSI Standard 58 listed
•Membrane Dimensions: 11. 75" Overall Length, 1. 75" Diameter (Fits Standard 2" ID Membrane Housings)

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$34.99

$37.00

-5%

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Geekpure

Geekpure Reverse Osmosis RO Membrane 100 GPD -NSF Certificated-Water Filter Replacement Cartridge-Pack 2

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•100 GPD RO membrane,Rejects impurities down to 0.0001 micron, Reduces Heavy Metal ,Arsenic, Lead ,Mercury ,Fluoride and more
•NSF/ANSI Standard 58 certificated.Polyamide film composite material
•Standard size ( Membrane Dimensions: 11. 75" x 1. 75" ), Fits 1812/2012 residential RO membrane housings (2” Inner Diameter )
•Life Span-It depends on usage amount and feed water quality. Usually,24 months or 35,000 Gallons pure water for most tap water (200-500 ppm)
•Friendly Design, Easy installation. It is suitable for most Reverse Osmosis Water Filtration System
•Pack of 2
•Please note to flush new membrane 30 minutes

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$37.70

$39.69

-5%

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Dow Filmtec

Dow FilmTec, TW30-1812-50HR 50 gpd TFC High Rejection Membrane for Undersink Reverse Osmosis (RO) System (Replaces Model TW30-1812-50)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Polyamide Thin-Film Composite (TFC)
•Rated at 50 psi and purifies about 20% more water than elements rated at 60 psi
•Shipped dry for convenient and a long shelf life
•Free Chlorine Tolerance: <0.1 ppm
•FilmTec genuine membrane element, NSF/ANSI Standard 58 certified

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$30.81

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Geekpure

Geekpure Reverse Osmosis RO Membrane 75 GPD -NSF Certificated-Water Filter Replacement-Pack 2

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•High Efficient-75 GPD Ro membrane,Rejects impurities down to 0.0001 micron,Removes Heavy Metal,Arsenic,Lead,Mercury,Fluoride and more 1000+ contaminants from source water
•High Quality - NSF/ANSI Standard 58 certificated.food grade Polyamide film composite material,BPA free
•Universal Compatible-Standard size ( Membrane Dimensions: 11. 75" x 1. 75" ), Fits 1812/2012 residential RO membrane housings (2” Inner Diameter )
•Life Span-It depends on usage amount and feed water quality. Usually,24 months or 35,000 Gallons pure water for most tap water (200-500 ppm)
•Friendly Design, Easy installation. It is suitable for most Reverse Osmosis Water Filtration System.Please note to flush new membrane 30 minutes
•Pack of 2 membranes in the box
•Flow rate:75 gallons per day @ 60 psi.The Ratio of pure water and waste water is 1:2.Feed Water Condition:Water Pressure: 35 - 100 psi,Temperate:40-110°F/5-45°C,Ph:3.0 -11.0,Max TDS :1000 ppm tap water or well water
•DO NOT FREEZE

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$33.24

$34.99

-5%

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Geekpure

Geekpure Reverse Osmosis RO Membrane 50 GPD -NSF Certificated-Water Filter Replacement -Pack 2

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•High Efficient-Rejects impurities down to 0.0001 micron, Removes Heavy Metal ,Arsenic, Lead ,Mercury ,Fluoride and more 1000+ contaminants from source water
•High Quality - NSF/ANSI Standard 58 certificated.Polyamide film composite material,food grade,BPA free. Pack of 2
•Universal Compatible-Standard size ( Membrane Dimensions: 11. 75" x 1. 75" ), Fits 1812/2012 residential RO membrane housings (2” Inner Diameter ).if your previous membrane is not standard, please consider to buy our membrane housing together. product ASIN:B078W3KKSZ
•Life Span-It depends on usage amount and feed water quality. Usually,24 months or 35,000 Gallons pure water for most tap water (200-500 ppm)
•Friendly Design, Easy installation. It is suitable for most Reverse Osmosis Water Filtration System.Please note to flush new membrane 30 minutes

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$28.49

$29.99

-5%

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UOLAMS

Reverse Osmosis Membrane 100 GPD 11.75"x1.75" RO Membrane Water Filter Replacement Fits Standard for Under Sink RO Drinking Water Filter Filtration Purifier System

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•High quality RO membrane: Reverse Osmosis membranes are made of 100% Thin Film Composite (TFC) material for purification performance with the characteristics of water saving, large water flow and stable performance.
•They have been tested to meet NSF/ANSI 58 Standards （model: BW-1812-100）. Filtration down to 0.0001 micron, it only allows water molecules to squeeze through and virtually nothing else. It can effectively filter up to 99% of over 1,000 impurity from your water.
•High water flow: The reverse osmosis membrane is rated at 100 gallons per day, adopts physical filtration which is long acting and stable, ensuring that families will have plenty of clean drinking water available on demand. The output water is running water, sweet and tasty.
•Universal Compatible-Standard size: Industry-standard element size 11.75 x 1.75 inches, designed to fit standard 1812/2012 residential RO membrane housings with a 2-inch internal diameter. Suitable for most reverse osmosis water filtration systems.
•Life span: 24-36 months life span depending on your water quality. User friendly design, easy installation. Suitable for most reverse osmosis water filtration systems. Please note to flush new membrane for 30 minutes when used for the first time.

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$15.99

$16.90

-5%

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Geekpure

Geekpure 150 GPD Reverse Osmosis Membrane for RO Water Filtration System - NSF Certificated

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•150 GPD Reverse Osmosis Membrane,Rejects impurities down to 0.0001 micron, Reduce Total Dissolved Minerals,Arsenic,Lead,Mercury,Fluoride and more
•NSF/ANSI Standard 58 certificated.Polyamide film composite material
•Standard size ( Membrane Dimensions: 11. 75" x 1. 75" ), Fits 1812/2012 residential RO membrane housings (2” Inner Diameter )
•Life Span-It depends on usage amount and feed water quality. Usually,24 months or 35,000 Gallons pure water for most tap water (200-500 ppm)
•Friendly Design, Easy installation. It is suitable for most Reverse Osmosis Water Filtration System.Please note to flush new membrane 30 minutes
•Flow rate:150 gallons per day @ 60 psi.The Ratio of pure water and waste water is 1:2.Feed Water Condition:Water Pressure: 35 - 100 psi,Temperate:40-110°F/5-45°C,Ph:3.0 -11.0,Max TDS :1000 ppm tap water or well water
•DO NOT FREEZE
•Pack of 2 membranes in the box

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$37.99

$39.99

-5%

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