Top 10 GPD RO Membrane – Replacement Under-Sink Water Filters

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1. Hydronix

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Hydron BW-4040 Reverse Osmosis Membrane High Performance Commercial Industrial 40 x 4-2400 GPD

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Hydronix #ad - Made in Taiwan. 2, 400 gpd, 99. 0% rejection and a minimum rejection rate of 98. 5%. Fits most standard 4x40 Commercial RO membrane housings. Hard fiberglass shell protects membrane and provides outstanding performance. Hydron 2400 gallon per day Commercial Membrane.
BrandHydronix #ad
ManufacturerHydron #ad
Height4 Inches
Length40 Inches
Weight7 Pounds
Width4 Inches
Part NumberBW-4040
ModelBW-4040

2. EXPRESS WATER

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Express Water – 3 Year Reverse Osmosis System Replacement Filter Set – 23 Filters with 50 GPD RO Membrane, Sediment SED Filters – 10 inch Size Water Filters, PAC Filters, Carbon GAC, ACB

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EXPRESS WATER #ad - Replace reverse osmosis Membrane and Post Activate Carbon once a year. Get the cleanest water and the best value in your filtration. Replacement water filter life cycle: replace sediment filter, Granular Activated Carbon, Activated Carbon Block every 6 Months. Sediment water filter: keep the most damaging sediments out of your drinking water and protect your other filters from coarse contaminants including rust, sand, dirt and silt.

Reverse osmosis replacement water filters: Experience what water should taste like with the Express Water reverse osmosis water filtration system removing up to 99. 99% contaminants. Post-carbon water filter: as the final stage of filtration in your system, this activated carbon water filter removes any remaining contaminants while enhancing the flavor of drinking water. Water purification system: drink the healthiest water on Earth. Pre-carbon filter: activated carbon Block and Granular Activated Carbon block water filters protect your system from chlorine damage and remove volatile organic chemicals.

Fully ¼” quick connect compatible. On demand support: support from experts who can answer any of your questions about your replacement water filters. All water filters are specially engineered to work together, producing the safest and best tasting water you’ll ever drink. Reverse osmosis filter replacement set: each Express Water replacement filter is specially designed to work together and compliment each other.
BrandEXPRESS WATER #ad
ManufacturerExpress Water Incorporated #ad
Weight19.11 Pounds
Part NumberFLTSETS6C6G6I3M502
ModelFLTSETS6C6G6I3M502

3. APPLIED MEMBRANES INC.

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4x40 Reverse Osmosis Membrane Element for Tap or Brackish Water | High Flow 3,000 GPD at 225 psi | 99.5% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-B4040AHF

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APPLIED MEMBRANES INC. #ad - Ami commercial ro membrane elements produce High Quality Water from Tap or Brackish Water in Commercial RO Systems. 100% quality and Performance Tested. Thin film Reverse Osmosis Membrane. 99. 5% salt rejection. Applied membranes 4x40 bw ro membrane fits standard PVC, Stainless Steel and FRP RO Membrane Housings. Made in the usa in iso 9001:2015 quality certified Facility. Highest flow: 3, 000 gpd at 225 psi. Replaces bw30-4040, 411-hfpa, hr3-4040, ag-90, re4040-bn, ag4040fm, tm710 and most standard 4x40 RO Membranes in Commercial RO Systems. Fiberglass Wrapped.
BrandAPPLIED MEMBRANES INC. #ad
ManufacturerAPPLIED MEMBRANES INC. #ad
Height4 Inches
Length40 Inches
Weight9 Pounds
Width4 Inches
Part NumberM-B4040AHF
ModelM-B4040AHF

4. Geekpure

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

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Geekpure #ad - Friendly design, easy installation. High quality - nsf/ansi standard 58 certificated. Polyamide film composite material, food grade, BPA free. Life span-it depends on usage amount and feed water quality.

It is suitable for most Reverse Osmosis Water Filtration System. Please note to flush new membrane 30 minutes. 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. Usually, 24 months or 35, 000 gallons pure water for most tap water 200-500 ppm. 150 gpd reverse osmosis membrane, lead, Removes Heavy Metal, fluoride, mercury, arsenic, High Efficient-Rejects impurities down to 0.0001 micron, cadmium and more 1000+ contaminants from source water. Standard size membrane dimensions: 11. 75" x 1. Product asin:b078W3KKSZ. Pack of 2.
BrandGeekpure #ad
ManufacturerHIDROTEK #ad
Height11.81 Inches
Length1.97 Inches
Weight0.49 pounds
Width1.97 Inches
Part NumberGP-TW-1812-150G
ModelGP-TW-1812-150G
Warranty1 Year

5. AMI

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2.5x40 Reverse Osmosis Membrane Element for Tap Water | High Flow 1200 GPD at 225 psi | 99.5% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-T2540AHF

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AMI #ad - 99. 5% salt rejection. Ami commercial ro membrane elements produce High Quality Water from Tap or Brackish Water in Small Commercial RO Systems. Thin film Reverse Osmosis Membrane. Applied membranes 25x40 ro membrane fits standard PVC and Stainless Steel RO Membrane Housings. Highest flow: 1200 gpd at 225 psi. Made in the usa in iso 9001:2015 quality certified Facility. 100% quality and Performance Tested. Tape Wrapped. Replacement ro membrane Water Filter for Commercial Reverse Osmosis Systems.
BrandAMI #ad
Height2.5 Inches
Length40 Inches
Weight2.5 Pounds
Width2.5 Inches
Part NumberM-T2540AHF
ModelM-T2540AHF

6. Geekpure

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

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Geekpure #ad - 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.

Universal compatible-standard size membrane dimensions: 11. High efficient-rejects impurities down to 00001 micron, removes heavy metal, lead, Mercury, Arsenic, Fluoride and more 1000+ contaminants from source water.75" x 1. High quality - nsf/ansi standard 58 certificated. Polyamide film composite material, food grade, BPA free. 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. Pack of 2. It is suitable for most Reverse Osmosis Water Filtration System. Please note to flush new membrane 30 minutes. Friendly design, easy installation.
BrandGeekpure #ad
ManufacturerHIDROTEK #ad
Height1.8 Inches
Length12 Inches
Weight1.2 Pounds
Width1.8 Inches
Part NumberGP-TW-1812-100G
ModelGP-TW-1812-100G
Warranty1 year limited warranty

7. APPLIED MEMBRANES INC.

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4x40 Extra-Low Energy Reverse Osmosis Membrane Element | 2860 GPD at 100 psi | 99% Rejection | Replacement Commercial XLE RO Membrane | Applied Membranes USA M-T4040AXLE…

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APPLIED MEMBRANES INC. #ad - Made in the usa in iso 9001:2015 quality certified Facility. Ami xle ro membrane elements produce high quality water from tap or brackish water in small commercial RO systems. 100% quality and Performance Tested. Tape Wrapped. Thin film Reverse Osmosis Membrane. Replaces dow filmtec xle-4040, axeon hf4-4040, and toray tmh10a, and most other Industry-Standard "stinger style" 4x40 Size RO Elements which are rated at 100psi.99% salt rejection. Applied membranes 4x40 ro membrane fits standard PVC and Stainless Steel RO Membrane Housings. 2860 gpd at 100 psi.
BrandAPPLIED MEMBRANES INC. #ad
ManufacturerAPPLIED MEMBRANES INC. #ad
Height4 Inches
Length40 Inches
Weight7.5 Pounds
Width4 Inches
Part NumberM-T4040AXLE
ModelM-T4040AXLE

8. Dow FilmTec

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TW30-1812-100HR 100 GPD TFC High Rejection Membrane for Undersink Reverse Osmosis RO System, Dow FilmTec

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Dow FilmTec #ad - Polyamide thin-Film Composite TFC. Filmtec genuine membrane element, NSF/ANSI Standard 58 certified. Free chlorine Tolerance:
BrandDow FilmTec #ad
ManufacturerFilmTec #ad
Height1.75 Inches
Length11.74 Inches
Width1.75 Inches
Part Number43208-915
ModelTW30-1812-100HR

9. Max Water

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Commercial Reverse Osmosis size 4" x 40" good for Industrial, Car Wash, Municipal, Whole House etc. Pack of 4, Max Water Brackish Water RO Membrane Element-BW-4040 2400 GPD, Waste Water Re-Use

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Max Water #ad - Hundreds of impurities are reduced by over 99% through the 00001 micron tfc membrane layer, lead, including heavy metals fluoride, and nitrates, colloids, chromium, calcium, organic materials, magnesium, and harmful minerals found in water. Healthy drinking: 2400 gpd ro membrane with a high 99% impurity rejection rate.

Customer note: this membrane in not for "maple Syrup" processing. Make max water your solution to all your filtration needs. The membrane capacity is 2400 GPD. Maple syrup manufactureres are suggested to purchase "Max Water XLP 4040" membranes. High volume: provides clean water for whole house, agricultural and industrial use. Why max water - we have 15+ years of experience in water filtration industry providing solution with a smile to millions of families.

Long life: this is heavy duty membrane element, based on average source water quality, shipped dry in an original sealed package, has a life expectancy between 24 to 36 months, temperature, and incoming water pressure. We consistently provide products and services that meet customer quality requirements. Quality certified: certified to ISO 9001 Standards. Bpa free components: our water filter system doesn't contain Bisphenol A or other toxic plastic materials.
BrandMax Water #ad
ManufacturerMax Water #ad
Height40 Inches
Length4 Inches
Weight32 Pounds
Width4 Inches
ModelBW-104299

10. APPLIED MEMBRANES INC.

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2.5x40 Reverse Osmosis Membrane Element for Tap Water | 1,000 GPD at 225 psi | 99.5% Rejection | Replacement Commercial RO Membrane | Applied Membranes USA M-T2540A

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APPLIED MEMBRANES INC. #ad - Ami commercial ro membrane elements produce High Quality Water from Tap or Brackish Water in Small Commercial RO Systems. Made in the usa in iso 9001:2015 quality certified Facility. 100% quality and Performance Tested. Tape Wrapped. Replacement ro membrane Water Filter for Commercial Reverse Osmosis Systems. Applied membranes 25x40 ro membrane fits standard PVC and Stainless Steel RO Membrane Housings. 99. 5% salt rejection. Highest flow: 1000 gpd at 225 psi. Thin film Reverse Osmosis Membrane.
BrandAPPLIED MEMBRANES INC. #ad
ManufacturerAPPLIED MEMBRANES INC. #ad
Height2.5 Inches
Length40 Inches
Weight2.5 Pounds
Width2.5 Inches
Part NumberM-T2540A
ModelM-T2540A