Water Filters
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Omnipure 1/4" QC GAC Replacement Filter | K2533JJ
The Omnipure K-Series is a replacement filter body with 1/4 Quick-Connect fittings incorporated into the design. The Omnipure K-Series K2533-JJ inline filter features 1/4" Quick-Connect compression fittings that allow for installation and replacement in a matter of seconds without the use of tools. The...- $24.95
$36.31- $24.95
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US Water Nitrate Removal Filter Cartridge 4.5" x 10" | USWF-4510-NT
4.5" x 10" Nitrate Removal Cartridge Using Nitrate Selective Anion Resin Utilizes FDA Grade high capacity anion exchange resin Removes or Reduces Nitrate Fits any standard big blue 4.5" x 10" Housing Removes Up To 14,449 mg/l ( 845 gpg) before replacement Suggested flow...- $95.95
$174.63- $95.95
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US Water DI Resin Cartridge 4.5" x 10" Double O-Ring Seal 0.8 GPM | USWF-4510-MB-OR
US Water 0.8 GPM 4.5" x 10" Double O-Ring Seal Replacement Ultra High Purity DI Cartridge For TDS ReductionPerfect for laboratories, reefkeeping and rinsing or plating operationsDeionization cartridges provide solutions for a variety of applications that need the removal of ionic contaminants. Cartridges with...- $69.95
$127.31- $69.95
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US Water Blue Residential Filter Housing 2.5" x 10" - 3/4" | H-2510-B
2.5" x 10" Blue/Black Residential Filter Housing The US Water 2.5” x 10” Cartridge Housing is a Commercial Grade Housing that will handle heavy filtration needs for years. It accepts any industry standard 2.5” x 10” filter cartridge which includes, pleated, melt blown, string,...- $13.95
$17.44- $13.95
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US Water Big Blue 4.5 X 10 Commercial Triple Filtration System
US Water Three-Stage 4.5" x 10" Water Filtration System 3/4" or 1" Full Flow Inlet & Outlet Includes mounting bracket, screws, and filter wrench. Flows up to 15 GPM, depending upon filters utilized. 10" Commercial-Grade Cartridge Filter Housing With 3/4" or 1" Inlet/Outlet -...- From $289.95
$299.94- From $289.95
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Magna 4.5 x 20 High Flow Filter System (Customized to Spec)
Magna 4.5 x 20 Triple High Flow Filter SystemThe one thing most filter housings have in common is that they are made in the Far East (usually China). Even the industry standard for “Big Blue” housings, Pentek, is no longer made in the USA....- From $649.95
$1,158.34- From $649.95
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US Water Systems Disruptor 4-Stage Filter System
US Water Systems Disruptor Electro-Adhesion 4-Stage Filter System Simply The Ultimate In Filtration No Electricity No Wasted Water No Chemicals Nothing Added to the Water From particles as big as the naked eye can see to submicron and colloidal particles, the US Water Systems...- $1,195.00
$2,174.90- $1,195.00
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2.5 x 20 Limeblaster Replacement Cartridge | LBC-2520-D
2.5" x 20" US Water Limeblaster Replacement Cartridge The Limeblaster Foodservice Replacement Cartridge prevents scale formation in any water using appliance, water heating device or downstream equipment, to improve efficiency and prolong the life. The Limeblaster media prevents scale by transforming dissolved hardness minerals...- $24.95
$41.59- $24.95
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US Water Interceptor 4.5" x 20" DOE Filter Cartridge
US Water Electro-Absorptive Nanofiber Filter Uses Mechanical Filtration And Electro-Adhesion Utilizing Cutting-Edge Technology The US Water Interceptor Pre-Filter has a 5 micron outer filter layer (which can be washed off if sediment accumulated). Inside the filter is another layer of pleated material manufactured of...- $211.95
$353.25- $211.95
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US Water Blue Residential Filter Housing 2.5" x 10" - 1/2" | H-2510-B
2.5" x 10" Blue/Black Residential Filter Housing The US Water 2.5” x 10” Cartridge Housing is a Commercial Grade Housing that will handle heavy filtration needs for years. It accepts any industry standard 2.5” x 10” filter cartridge which includes, pleated, melt blown, string,...- $13.95
$17.44- $13.95
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US Water White Residential Filter Housing 2.5" x 10" - 1/2" | HRO-2510
US Water 2.5" x 10" White Residential Filter Housing The US Water 2.5” x 10” Cartridge Housing is a Commercial Grade Housing that will handle heavy filtration needs for years. It accepts any industry standard 2.5” x 10” filter cartridge which includes, pleated, melt...- $15.95
$19.94- $15.95
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US Water Fluoride Reduction Filter Cartridge 4.5" x 10" | USWF-4510-BC
US WATER SYSTEMS FLUORIDE REDUCTION FILTER CARTRIDGE 4.5" X 10" 4.5" x 10" Fluoride Removal (4.5" x 10")-US Water Systems USWF-4510-BC Fluoride can occur in drinking water naturally as a result of the geological composition of soils and bedrock. Additional fluoride enters drinking...- $87.95
$160.07- $87.95
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Black Triple Mounting Bracket for 4.5" Big Blue Filter Housings
Black Triple Mounting Bracket for 4.5" Big Blue Filter Housings Heavy-Duty Commercial-Grade Bracket for Big Blue Filter Housings Powder-coated steel Fits 4.5" x 10" and 4.5" x 20" Filter Housings 23.25" wide x 9.25" deep x 5.0" high Does Not Include Mounting Screws Fits...- $49.95
$62.44- $49.95
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US Water Double Filter Housing Assembly 2.5" x 20"
US Water Double 2.5" x 20" Filter Housing Assembly | No Filters Choose any filter you want for this system to solve a multitude of specific water problems. (2) 2.5" x 20" Blue Commercial Housings with bracket, screws and connecting nipple 3/4" FNPT Inlet/Outlet...- From $114.95
$143.69- From $114.95
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Axeon 5 Stage Reverse Osmosis Filter Pack for RF-5000
Replacement Filter Pack for Axeon 5 Stage Reverse Osmosis Systems Axeon formerly named RO Ultra Tech has been in the water treatment marketplace over 30 years. US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed...- $49.95
$90.91- $49.95
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Black Triple Floor-Stand Mounting Bracket for 4.5" x 20" Big Blue Filter Housings
Black Triple Floor-Stand Mounting Bracket for 4.5" x 20" Big Blue Filter Housings Heavy-Duty Commercial-Grade Bracket for 4.5" Big Blue Filter Housings Powder-coated steel Fits 4.5" x 10" and 4.5" x 20" Filter Housings 23.0" wide x 9.25" deep x 29.5" high Does Not...- $220.00
$275.00- $220.00
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AXEON HF1-2521 Reverse Osmosis Membrane
AXEON® HF1–Series Membrane Elements are manufactured using the industry’s leading membrane film technology. These membranes offer reliability, high performance and deliver consistent results. They provide increased production, high rejection rates and low energy consumption by operating at low applied pressures.AXEON HF1–Series Membrane Elements are one of...- $121.90
$152.38- $121.90
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4-Stage Q Series Replacement Filters
Genuine factory replacement filters fits all Q-Series reverse osmosis systems from PuRO Twist PT-4000, TGI, Topway Global, DuPure, Rayne, PurelyEZ, and ARS Millennium reverse osmosis systems as well as any other reverse osmosis system utilizing Omnipure Q-Series reverse osmosis filters. The PuROTwist 4000 REVERSE...- $64.95
$100.01- $64.95
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US Water PurEdge4 Four-Stage Drinking Water Purification System Filter Pack
Our 4-Stage Filter Pack for the PurEdge4 Four-Stage Drinking Water Purification System includes silicone to ensure a proper seal and extend the life of the o-rings, helping maintain optimal system performance.Includes (1) Interceptor PAC Filter (1) Chloramine Carbon Block Filter (1) 1/4" NPT In-Line...- $71.95
$89.94- $71.95
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US Water Big Blue Softening Resin Cartridge 4.5" x 9.75" | U
4.5" x 9.75" Replacement Softening Cartridge For Hardness Reduction Fits Ametek, Pentek, Watts, Flowmatic, Liquatec, Harmsco and most other 4.5" x 10" Housings Ideal Cartridge to Install Pre-RO to Lower Hardness 2,800 Grains Capacity 2 GPM Design flow rate Fits Most 4.5” x 9.75”...- $43.95
$79.99- $43.95
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We carry replacement water filters for reverse osmosis systems, carbon block water filters, whole house systems, as well as cartridge filters for filter housings from manufactures such as Harmsco. The filters we carry can fill virtually need, or any size. We pride ourselves on customer satisfaction, so unlike other companies, we don't carry ineffective filters manufactured in China.
Replacement Water Filters
Whether you are looking for a replacement cartridge filter or a pleated filter for your home water filtration system, US Water Systems has the replacement water filter that you need. We carry stock in only the highest quality products, and don't sell anything that doesn't meet rigid standards.
Replacement Reverse Osmosis Filters.
Though all reverse osmosis systems are designed to filter water to incredibly pure standards very few companies can provide the amount of replacement reverse osmosis filters that US Water Systems carries. We offer nearly twenty different reverse osmosis brands, and as always, have a low price guarantee on everything we stock.
Why Should I shop US Water Systems for my Water Filters?
We know there is a sizeable amount of competition out there in the water filter business, many of our competitors offer inferior goods manufactured in China. While our competitors might find it convenient to sell lower quality water filters, we choose to sell very best brands from manufactures such as Harmsco. Another great reason to buy all of you water filters from US Water Systems is we have a low price guarantee, if you can find a better price on any of the products we sell we will beat it, no questions asked. We are confident in our ability to provide you the best filters for the lowest price.
US Water Systems Guarantee
We pride ourselves in providing the highest quality replacement filters for your needs at the lowest price, period. If you find a better price (including shipping) on any of the filters we have in stock we will beat it. No other company can offer filters at prices lower than ours, and we prove it every day.





