Water Filters
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US Water Big Blue 4.5 X 20 Commercial Triple Filtration System
US Water Commercial Three-Stage 4.5" x 20" Water Filtration System 3/4" or 1" Full Flow Inlet & Outlet Includes mounting bracket, screws, and filter wrench. Flows up to 25 GPM, depending upon filters utilized. 20" Commercial-Grade Cartridge Filter Housing With 3/4" or 1" Inlet/Outlet...- From $289.95
$347.94- From $289.95
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Hydronix Inline Remineralization Cartridge
Hydronix In-line Remineralization Cartridge Raises pH of RO Water Compare this to the Aptera Alkamag Alkaline Inline Filter. Leave it to Hydronix Water Technology to take a popular expensive product and make it affordable. Many consumers are using filters to re-mineralize and raise the...- $38.95
$70.89- $38.95
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RO DI USA Made Filter Pack | FP-RODI
Our RODI Filter Pack includes silicone to lubricate the O-Rings and RO Sanitizing Solution, so that you can trust you water to be as clean as it can be. This filter pack is specifically for the US Water RO-DI System. All Filters are NSF...- $57.95
$105.47- $57.95
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US Water 2.5" x 9.75" Pleated Filter Cartridge 20 Micron
2.5" x 9.75" 20 Micron US Water Polypropylene Filter Cartridge Features Pleated design for more surface area Bacteria and chemical resistant Cleanable and reusable in most applications and micron sizes Thermally bonded end caps to ensure better sealing Benefits Lower overall operating cost Longer...- $13.95
$23.25- $13.95
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4.5 x 20 Limeblaster Replacement Cartridge | LBC-4520-D
4.5" x 20" US Water Limeblaster Cartridge - DOE Seal Features Pleated design for more surface area Bacteria and chemical resistant Thermally bonded end caps to ensure better sealing Benefits Completely safe for drinking water Easy to fit and low maintenance No electricity needed...- $39.95
$66.59- $39.95
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US Water Interceptor 4.5" x 10" 222 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...- $109.95
$183.25- $109.95
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US Water Chloramine Carbon Block Filter | USWCB-4520-CL
US Water Chloramine Carbon Block Filter 4.5 inch x 20 inch - 1 Micron Filter Filter elements are designed to fit most standard 20” big blue style filter housings. This high quality carbon block media is manufactured from raw materials to precise specifications entirely...- $139.95
$254.71- $139.95
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US Water Systems Spun Poly Sediment Filter 4.5" x 20" 1 Micron
US Water Systems Meltblown Spun Poly Sediment Filter - 4.5" x 20" 1 Micron US Water Systems Dual-Gradient Sediment filter cartridges are robust, high efficiency polypropylene melt blown depth filters with an internal polypropylene core for added strength. These filters utilize a multi-layered construction...- $34.95
$63.61- $34.95
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US Water 4.5" x 9.75" Pleated Filter Cartridge 0.5 Micron
4.5" x 9.75" 0.5 Micron US Water Polyester Filter CartridgeFeatures Pleated design for more surface area Bacteria and chemical resistant Thermally bonded end caps to ensure better sealing Benefits Lower overall operating cost Longer filter runs for fewer change outs Lower initial pressure drops...- $24.95
$41.59- $24.95
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Great Tahoe Spring GTS-550-USA Reverse Osmosis Filters for Topway Global
Great Tahoe Spring Reverse Osmosis Filter Pack Topway Global, established in 1993, manufactured a wide variety of water softeners, point-of-entry filter units and point-of-use drinking water systems for residential, commercial, and industrial applications. In 2007 Watts Water Technologies acquired Topway Global. US Water Systems...- $59.95
$90.91- $59.95
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US Water Systems Radial Flow Carbon Filter 4.5" x 10" | Double O-Ring Seal
US Water Systems 4.5" x 10" Radial Flow Carbon Filter - Double O-Ring Positive Seal The US Water Radial Flow Carbon Cartridge is a uniquely designed granular activated (GAC) carbon cartridge with an outside poly shell and an inner core which holds the GAC...- $89.95
$149.92- $89.95
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US Water Magna 4.5" x 10" 20 Micron Replacement Cartridge | 222 Seal
4.5" x 10" US Water Magna Cartridge 20 Micron - 222 Seal Features Magna Seal - It has a positive o-ring seal unlike flat top filters Magna Media A 10 filter has 18 square feet of pleated polyester commercial grade media compare that to...- $46.95
$78.25- $46.95
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AXEON XE1-4040 NSF-61 Reverse Osmosis Membrane
AXEON® XE1–Series Membrane Elements offer enhanced performance and extra energy savings for reverse osmosis systems by operating at a low applied pressure of 100 psi with a nominal rejection rate of 99.2%. AXEON XE1–Series are fiberglass wrapped, NSF-61 Certified and manufactured in a state-of-the-art, ISO–9001 compliant automated...- $279.95
$302.96- $279.95
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White Single Mounting Bracket For 10" & 20" Filter Housings | FM-20W
Heavy-Duty Commercial-Grade Bracket Fits Hydronix HF2, HF3, & HF5 Commercial Housings Direct Replacement for Flowmatic (Watts) 4200, 4500 and 8000 Series brackets Fits All 10" & 20" Slimline & Commercial Flowmatic, Pentek, Watts, Liquatec, Hydronix and other brand housings Powder-Coated so as not to...- $5.49
$6.86- $5.49
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Cap O-Ring For US Water Residential Membrane Housing
Cap O-Ring for all US Water Residential Membrane Housings Fits all US Water Galaxy, Aquapurion, and Cobalt membrane housings This o-ring is for the cap side of the membrane housing It's always a good idea to have spares Be sure to lubricate o-rings with...- $1.95
$2.44- $1.95
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US Water Systems Spun Poly Sediment Filter 2.5" x 10" 1 Micron
US Water Systems Meltblown Spun Poly Sediment Filter - 2.5" x 10" 1 Micron US Water Systems Dual-Gradient Sediment filter cartridges are robust, high efficiency polypropylene melt blown depth filters with an internal polypropylene core for added strength. These filters utilize a multi-layered construction...- $6.95
$12.65- $6.95
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O-Ring For US Water Residential Membrane Housings
Housing O-Ring for all US Water Residential Membrane Housings Fits all US Water Galaxy, Aquapurion, and Cobalt membrane housings This o-ring is for the housing side of the membrane housing It's always a good idea to have spares Be sure to lubricate o-rings with...- $1.95
$2.44- $1.95
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US Water DI Resin Cartridge 4.5" x 20" Double O-Ring Seal 1.5 GPM | USWF-4520-MB-OR
US Water 1.5 GPM 4.5" x 20" Double O-Ring Seal Replacement Ultra High Purity DI Cartridge For TDS Reduction Perfect for laboratories, reefkeeping and rinsing or plating operations Deionization cartridges provide solutions for a variety of applications that need the removal of ionic contaminants....- $149.95
$233.25- $149.95
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Omnipure Filter Q5633 Series
The Omnipure Q5633 Q-Series Replacement Cartridge is a 10 GAC (Granular Activated Carbon) filter used to reduce or remove chlorine, chloramines and chemicals in your water. This filter fits Omnipure Twist Tap filter heads QNVH B, C, or J, with or without automatic shutoff....- $19.95
$32.76- $19.95
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US Water Dual Cartridge Filtration System
US Water Dual 2.5" x 10" Filter Housing Assembly (2) 2.5“ x 10” White Slimline Housings with bracket, wrench, screws and connecting nipple 3/8" FNPT Inlet/Outlet NSF Certified Housings Does not include filters or faucet Quick connect fittings not included (you pick size -...- $45.00
$56.25- $45.00
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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.