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The Membrane Solutions NSF/ANSI 58 Certified 400 GPD Reverse Osmosis Membrane is a premium 12" x 3" TFC element designed for home and light commercial water purification. It delivers high flow rates of 400 gallons per day while rejecting 97% of salts and over 99% of harmful impurities, including heavy metals and nitrates. Certified to NSF/ANSI 58 standards and shipped dry for longevity, this membrane fits most standard 3012 housings and offers 2-3 years of dependable, food-grade filtration performance.
| ASIN | B071SGLF18 |
| Best Sellers Rank | #9,099 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #59 in Replacement Under-Sink Water Filters |
| Brand | Membrane Solutions |
| Brand Name | Membrane Solutions |
| Customer Reviews | 4.6 out of 5 stars 3,250 Reviews |
| External Testing Certification | NSF |
| Global Trade Identification Number | 00850071881868 |
| Item Dimensions D x W x H | 3"D x 3"W x 12"H |
| Item Highlight | 3.0"x1.2" RO Membrane Replacement For UnderSink RO Drinking Water System and Maple Syrup DIY RO System, 1 Pack |
| Item Weight | 16 ounces |
| Manufacturer | Membrane Solutions Corp |
| Manufacturer Part Number | unknown |
| Material | Polyamide Thin-Film Composite |
| Material Type | Polyamide Thin-Film Composite |
| Model Number | ROULP-3012-400 |
| Number of Items | 1 |
| Product Benefits | Reduces TDS |
| Product Dimensions | 3"D x 3"W x 12"H |
| UPC | 850071881868 |
| Unit Count | 1 Count |
F**D
RO membrane cartridge.
Perfect fit for my RO BUDDIE. Easy to install. Output RO water PPM is around 4 to 5 ppm. Great way to rejuvenate my RO system. Great value.
L**B
7 TDS
Installed.in a 4 stage ro system, getting 7 TDS , with a source water about 220 TDs. Very happy. Didn't know what to expect with the low price, but this really works.
C**L
If you need it, you need it.
Works
M**D
Perfect fit and nice GPD output upgrade for my RO system.
I waited way too long to replace my previous membrane. Almost 20 years! This replacement fit perfectly and I'm very happy to have the higher GPD output. Quality seems to be excellent. I won't wait 20 years next time to make a replacement. I could tell the RO water quality was back to what it should be after making the replacement.
C**O
Works great
Works great but gets clogged fairly quickly then starts taking longer and longer to filter water. Easy to install but hard to get out.
J**C
RO MEMBRANE FILTER
GOOD PRICE. DID THE JOB.
B**S
Reliable, durable, and great support for maple sap concentration
I use the Membrane Solutions 400 GPD RO membrane for concentrating maple sap, and itโs been a strong performer. It consistently boosts sugar concentration, cutting boil time and fuel use. Even when pushed toward its upper performance limits, it continues to run reliably without major drop-off when the system is set up properly. The membrane cleans up very well and has held performance over multiple seasons with proper flushing and storageโdefinitely adds to its value. Customer service is also excellent. They were responsive and helpful with setup questions, which is a big plus when adapting this for sap instead of standard water use. Bottom line: Great performance, easy to maintain, long-lasting, and well-supported. Iโd buy it again.
T**D
Excellent filter
Excellent replacement with easy installation. Last exact one was purchased 4 years ago. Used for kitchen sink dispensing
H**Y
Parfait
j'ai changer la membrane de mon systeme osmose ECOWATER eco-435 et fit parfaitement!
R**N
Good product, great price
Works well
M**N
Good R/O Membrane Replacement
Fits and works as expected.
R**I
ุงูู ูุชุฌ 50 ุฌุงููู ู ุงูููุน
ุงูููุชุฑ ููู ูุฌูุฏุฉ ู ู ุชุงุฒุฉ ุจุณ 50 ุฌุงููู ูุง ุงูุตุญู ููู ุฎุฐ ููุณ ุงูู ูุชุฌ ุจุณ 75 ุฌุงููู ุงูุถู ู ู ูุฐุง
M**K
Improved taste of water significantly
Seems to be working well, only been running it for 1 month. Havenโt bothered testing the water yet.
Trustpilot
3 weeks ago
1 week ago