Works as advertised.
"Works as advertised."


APEC RO-45, RO-90, RO-Perm, and RO-Pump Reverse Osmosis Filter Pack
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*
US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed APEC specifications.
Replacement Filter Pack for APEC RO-45, RO-90, RO-Perm, and RO-Pump 5-Stage Reverse Osmosis System like the one pictured to the right (some models had all white filter housings)
Membrane Sold Separately
It is recommended that filters be changed at 6 or 12 month intervals, depending upon water quality.
Overall rating: 4.0 / 5 from 4 reviews.
Review topics: [].
"Works as advertised."
— Joe S. (5/5)
"I purchased 2 sets of filters for my reverse osmosis. Both sets of one of the filters, the water was not passing through it, must have been blocked. I reached out to the company and they said they will refund the money. After 2 weeks nothing happened and thereby I called PayPal. The company responded and gave me a refund. After that they send me a return authorization to return unused filters which I did except 2 of them. Again I had to call PayPal because I was promised 3 times that there was another refund for the rest of the unused filters. Not sure if this company has all their gears together but they sure lack quality, integrity and a very bad customer service. I will never ever again purchase anything from this company."
— Anthony S. (2/5)
"Had a little problem getting the right filter agent didn't think I wanted the filter I ordered so shipped the wrong one. Problem fixed system running fine."
— Rebecca R. (4/5)
"Good product and good service."
— Allyn H. (5/5)
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