Great deal.
"Works great with my Hague RO system. They are much better priced than original equipment and I my water tastes as pure as it always has."



Our 5-Stage Filter Pack includes silicone to ensure a proper seal and extend the life of the o-rings, helping maintain optimal system performance.
Order by 12 PM EST and this system will be on its way the very next day.
Free standard shipping on most products over $199.
Free shipping on most orders over $199 in the continental USA. $299 minimum for extended delivery states: AK, AL, AZ, CA, HI, ID, MD, ME, MN, MS, MT, NH, NV, OR, UT, VA, VT, WA, WV. Freight orders excluded. Speak to a water expert for more details.
Our Master Water Specialists and Certified Water Specialists review your water analysis and address your specific water problems. WE then design a system that we'll guarantee will solve your water problem(s) and back it with our One-Year Money Back Promise (Guarantee).
It all starts with a Laboratory Test of your water. Then, our Master Water Specialists and Certified Water Specialists will review the results of your water analysis and scientifically discuss the best way to treat your water, provide on estimate of how to do that, and then we provide you a One-Year Guarantee of Satisfaction. It's our Promise to You that our system will do what we say or we will give you your money back*
Fits Most Sump-Type Filters Using 2-1/2"x9.75" (10") Housings, Including the Following Models:
If your Reverse Osmosis system looks anything like the RO below, these filters probably fit:
All Filters are NSF Certified for High Purity Reverse Osmosis Systems and are Made in the U.S.A.
If your current system uses a 1/4" quick connect post-filter, you will need 2 of these fittings: 1/4" Quick Connect Fitting
If your current system uses a 3/8" quick connect post-filter, you will need 2 of these fittings: 3/8" Quick Connect Fitting
It is recommended that filters be changed at 6 or 12 month intervals, depending upon water quality.
Overall rating: 4.7277226 / 5 from 202 reviews.
This 5-Stage USA Made Standard Reverse Osmosis Filter Pack is highly regarded for its great quality, excellent customer service, and consistently great-tasting water. Made in the USA, it fits most sump-type filters and includes NSF-certified filters. Customers appreciate the value and performance of these USA-made filters.
Review topics: ["quality","service","customer service","water","instructions","packaging","support","filter","performance","fit","replacement","system","tasting","price","installation","works","shipping","kit","maintenance","issues","reverse osmosis system","videos","tank","ordering","value","ice","help","replacement parts"].
"Works great with my Hague RO system. They are much better priced than original equipment and I my water tastes as pure as it always has."
— Mark D. (5/5)
"Filters are working just fine. I have exp"
— Michael T. (3/5)
"The system works well, we use it everyday and also have it hooked into our refrigerator which made the ice way better! We change the filters ever year using the US Water instruction video which really makes the project easy."
— John M. (5/5)
"I love this system, and these filters keep it running great!"
— Stephen B. (5/5)
"Very satisfied with the performance. The water smells and taste great. I installed the filters back in February, the installation was easy. Great product."
— Anthony S. (5/5)
"I purchased my filters for my reverse osmosis system through the website and everything was smooth and easy, and I also watched the installation videos on YouTube, which helped me out a lot. I would purchase them from this company again."
— Cristobal P. (5/5)
"The sump and post filters are changed once per year since the system was installed by owner. ( the membrane only when the TDS meter shows poor performance) The issue is the lack of a sanitizing packet that was included before. I understand cost cutting but it should have been made clear during the ordering process that the packet would need to be ordered as a stand alone item."
— Monica M. (3/5)
"Easy maintenance every year with this 5 stage filter pack, keeps things working great."
— Jamie M. (5/5)
"Product is great, but the service from the tech staff has been rock star out of this world. Vance was friendly and helpful but Brannan was especially kind and talked to me so I could understand how my system works. He was very patient and helped me more than once when I called. I received very good service every time I have called for help. The service staff all deserve a big raise. They were even great after hours, when I needed the help the most! Thank you so much!!"
— Kristie F. (5/5)
"This water system this is absolutely fantastic. The town we live in has really bad water and a lot of flavor that you don't want in your drinking water, but with this filter the water tastes so fresh and clean. I highly recommend this for every home!"
— Elisabeth P. (5/5)
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