Greatwell MC7 NSF/ANSI 58 Certified Reverse Osmosis (RO) Membrane Replacement 75 GPD, 11.75” X 1.75”
$36.99
Triple the Savings, Triple the Joy!
About this item
- 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.
- Tested by independent third-party to meet NSF/ANSI Standards, our Reverse Osmosis Membrane is made of food-grade 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 extended 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 - There are wet & dry membranes in the market and the ones we sell are the dry version. Comparing to the wet version, the dry ones can be stored longer, are easier to preserve (no need of vacuum sealing), and don't contain preservation solution that needs to be washed off before usage. 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.
- NSF/ANSI 58 Certified: Independently tested and certified to meet NSF/ANSI 58 standards, ensuring reliable removal of harmful contaminants for safe, high-quality drinking water.
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Greatwell NSF/ANSI 58 Certified Reverse Osmosis (RO) Membrane Replacement 75 GPD, 11.75” X 1.75”
$36.99
- Availability: In Stock
- Model: MC7
- Manufacturer: iSpring
Reviews with images
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Grant Taylor | 
2019-02-01
This works as it's supposed to. I took out the old filter and put this one in. Would buy again.
2019-02-01
This works as it's supposed to. I took out the old filter and put this one in. Would buy again.
Catherine Papayiannis |
2018-12-12
Producing clean fresh drinking water from a faucet, at my kitchen sink. We wanted one of these as soon as we tasted the water it produced at a friend's house.
2018-12-12
Producing clean fresh drinking water from a faucet, at my kitchen sink. We wanted one of these as soon as we tasted the water it produced at a friend's house.
Garrett Olsen |
2018-09-27
We really like the system and filters we purchased. Works well in my RO/DI unit.
2018-09-27
We really like the system and filters we purchased. Works well in my RO/DI unit.
Bailey M. |
2020-02-18
Francis S. was such a huge help!!!
My package was displayed as "delivered", but i did not actually receive the package. FedEx was no help with filing a claim, etc. So, Francis made a tremendous effort to investigate what could be done. Within 24 hours, he had approval to send me a new package! What a relief to know how understanding and considerate he could be. I am more than happy with my purchases through 123filter.com and the customer service i have received.
Thank you, Francis! :)
2020-02-18
Francis S. was such a huge help!!!
My package was displayed as "delivered", but i did not actually receive the package. FedEx was no help with filing a claim, etc. So, Francis made a tremendous effort to investigate what could be done. Within 24 hours, he had approval to send me a new package! What a relief to know how understanding and considerate he could be. I am more than happy with my purchases through 123filter.com and the customer service i have received.
Thank you, Francis! :)
Juan Hernandez |
2020-02-04
I have had the iSpring water filter for a little over two years now. It has been great. It is nice to always have filtered water available and the maintenance on the unit (changing filters) could not be easier. I like it better than a previous RO filter from GE that I installed in my last house.
2020-02-04
I have had the iSpring water filter for a little over two years now. It has been great. It is nice to always have filtered water available and the maintenance on the unit (changing filters) could not be easier. I like it better than a previous RO filter from GE that I installed in my last house.
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