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 Harmsco, Flowmatic, Ametek, Pentek, and most other standard 4.5" x 20" housings
Overall rating: 4.703704 / 5 from 27 reviews.
The US Water 4.5" x 20" Pleated Filter Cartridge offers high-quality filtration with a 0.5 Micron rating. It is praised for its pleated design, which increases surface area, and its bacteria and chemical resistance. The filter is suitable for various applications, including reverse osmosis and municipal drinking water filtration.
Review topics: ["quality","filter","micron","price","choice","system","water","tasting"].
"I have been purchasing from US water for years. Subscription means you dont need to set up reminders and pricing is great. Highly recommend!"
— Douglas A. (5/5)
"High quality works as it should"
— Jose V. (5/5)
"Works better than it should with well water"
— Harry L. (5/5)
"Filter was good quality & did good job."
— vernon n. (5/5)
"just perfect system and perfect system."
— Maximiliano M. (5/5)
"After copious amounts of research on best plastic for filters vs cellulose etc. , my research led me to purchase this filter and I have no regrets!"
— Chad H. (5/5)
"It appears average in build quality."
— Bryan J. (4/5)
"Am I reccuring customer of these 🇺🇸. Excellent choice versus polyester filters (all polypropylene). Improved finer micron rated (0. 5m) pre RO (using melt blown 1m up front)."
— David D. (5/5)
"These polypropylene versus polyester are an optimal choice especially the finer micron rating of 0. 5 micron (preceded by 1 micron meltdown filter). For pre RO."
— David D. (5/5)
"The water quality and taste are much better and the maintenance is fairly minimal."
— William C. (5/5)
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