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

The water quality, taste, and color were excellent after running through these quality filters.

These filters do a great job. I also have a whole house filtration by iSpring so the first filter is always clean but the other filters seem to do a great job. The drinking water and ice from refrigerator has great tasting water and ice. Filter changes are fairly easy to perform. Take a photo of the hoses prior to change to make things easier when putting back in. Two years of filters is great to have on hand. We get our water from a big reservoir in SE Texas, so think about the chemicals, urine from animals and even the dinosaurs that are always present in water. Those things never go away completely.

Works Great, Awesome for the time they last and price is good! They last a long time, tested quality with water testing strips and they definitely make a huge difference. Will buy again!

I've had my 5 stage iSprings system for about 5 years. It gives me better than bottled water quality but since I fill a stainless steel container, it avoids about 10-12 plastic bottles every day (YES, I drink a lot of water).It's very important to change out the filters periodically. I was very good and did it at 1 year, then it slipped to maybe 18 months. I was on my 4th filter change-out. The RO cartridge and other early stage filters have always been easy and never a problem. However, for this event, I could not get the 5th stage final filter to stop dripping. I went on the Amazon order page and selected "contact seller". A nice person named Sean reached out to me.Buying things unseen always presents a risk but not with iSprings. Sean informed me of his immediate actions to send me replacement parts but also took the rare step of conveying a feeling that no matter what happened from this point forward, he was taking ownership of my success in getting the filter back on- line. The replacement parts arrived and also leaked but Sean sent a third set of failed parts and a bit of hose. That did the trick. I think possibly my old tubing had gotten brittle such that it was preventing a good seal with the o-rings. Maybe I hadn't pushed it far enough into the fitting or maybe it kinked. for some reason it wasn't making a good seal. Each time I pulled out a failed connection, I could feel new imperfections on the outside of the tubing. I cut it off each time between repeat attempts. I didn't not pull out the new successful tubing to see if it has this same phenomenon.The only downside of this or any other under-sink system is that is takes up space and that involved some negotiation with my wife so as to not have supplies piled up around the filter unit.Anyway- if you are deliberating an under- sink filtration system, I highly recommend the iSprings system. It has everything a person needs to drink cool clear water. It is easy to maintain. If you have some problem, iSprings will jump in the foxhole with you to fight whatever you may be battling.

I was having problems with my Home Depot Reverse Osmosis water filter made by GE. I decided it was time to upgrade to a better system. The GE system had two charcol filters and an RO filter. The cost for all three filters was over $100 and the cheap charcoal filters they are using now clogged the RO filter in 6 months. The iSpring system has a sediment filter inside a clear see through holder so you can see a problem before it ruins the RO filter. The filters on the iSpring F19K75 2-Year Replacement Supply Set was $122 dollars for a set of 12 filters and a RO filter. You're getting a 2 year 6 stage setup for $60 dollars a year! And you're getting a company located in Atlanta that is quick to respond to any problems you might have. My wife and I are really pleased with this system. It provides excellent tasting water that I am comfortable providing to my family. The Alkaline Remineralization Filter makes a big difference in the taste and the minerals it puts back in are good for your health. I have added the optional hookup to my ice maker and now I am getting crystal clear ice cubes. It really improves the taste of coffee and tea. I quit drinking and using tap water for cooking 20 years ago because I know what is in it. Every farmer from here to Canada is applying insecticides and pesticides that eventually reach the rivers and waters we drink from. These iSpring filters have reduced my total dissolved solids from over two hundred to less than 30 and most of the 30 is the good minerals I am putting back into the water. Read all the documentation and articles that iSpring provides on Amazon and you will be convinced you are dealing with a company that cares about providing chemical free drinking water to your family.

so many filters that needs replacement and this is one of the easier one. Price is decent. Filter will last for many gallons of filtration need

Have purchased PH-100 and happy with water quality and taste. Had an issue changing filters ( my fault) and after connecting with John B., Ispring customer service rep, issues resolved, fully satisfied and will continue recommending this company and their products as l've done in the past. John was knowledgeable, professional, forthcoming and eager to help. An asset to his company.

filters really work