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2.5 x 10 Filter Housing With Double O-Ring Seal - 1/4"
2.5" x 10" Double O-Ring Seal Residential Filter Housing - 1/4" Inlet/Outlet The US Water Systems 2.5” x 10” Cartridge Housing is a Commercial Grade Housing that will handle heavy filtration needs for years. It accepts any US Water Systems 2.5” x 10” double...- $27.95
$34.94- $27.95
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Limeblaster Compact Filtration Salt-Free Alternative System
US Water Systems 4.5 x 20 Limeblaster Dual Salt-Free Conditioning & Chlorine Removal System The Limeblaster Modular Dual Salt-Free Conditioning and Chlorine Removal System is designed for applications where space may be limited but limescale prevention and chlorine and chemical removal are desired. It...- $799.00
$1,331.67- $799.00
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US Water Softening Resin Cartridge 2.5" x 20" | USWF-2520-SF
2-1/2" x 20" Softening Cartridge For Hardness Reduction Ideal Cartridge to Install Pre-RO to Lower Hardness 2,500 Grains Capacity 1 GPM Design flow rate Fits Most 2.5” x 20” Filter Housings Temperature Range - 40°F (5°C) to 100°F (38°C) Pressure Range - 20 PSI...- $30.95
$56.33- $30.95
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Enpress One Cartridge Tank® Filtration System | 1.25"
Enpress One Cartridge Tank® Filtration System | 1.25" Say goodbye to small and inefficient housings. Get rid of expensive stainless steel housings. The Enpress Cartridge Tank® is a direct replacement for small and inefficient 2-1/2 or 4-1/2 housings, or expensive Stainless Steel cartridge housings,...- $414.28
$753.99- $414.28
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Aqua-Pure APRO5000 Reverse Osmosis Filter Pack
Replacement Filter Pack for Aqua-Pure APRO5000 4-Stage Reverse Osmosis System All Filters are Made in the USA NSF Certified for Aqua-Pure High Purity Reverse Osmosis Systems Fits APRO5000 Includes (1) 5 Micron Pre-Filter (2) Carbon Block Pre-Filter (1) Silicone Packet (1) RO Sanitizing Packet...- $44.95
$81.81- $44.95
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Granular Activated Carbon 2.75" x 20" Filter Cartridge | GAC20
Water Washed Coconut Shell Granular Activated Carbon 2.75" x 20" Replacement Filter Cartridge Rated at 1 GPM Flow Rates 5,000 Gallon Capacity Replaces IF-SM-GAC020- $26.95
$49.05- $26.95
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US Water Triple 2.5" x 20" Cartridge Filtration System
US Water Triple 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. (3) 2.5" x 20" Blue Commercial Housings with bracket, screws and connecting nipple 3/4" FNPT Inlet/Outlet...- $179.95
$224.94- $179.95
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3/8" Close Nipple to Connect Filters | NIP38
3/8" x Close Nylon Nipple to connect all Filter Housings together when mounted on a triple or double bracket- $1.65
$2.06- $1.65
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US Water DI Pod Mini High Purity Replacement Cartridge
The US Water factory replacement DI cartridge for the DI Pod mini provides low cost deionization without electronic monitoring, as the color changing resin provides easy indication of exhaustion. Genuine replacement cartridge Made in the USA Color changing resin lets you visually when it's...- $179.95
$327.51- $179.95
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Axeon NF4-2521 2.5" x 21" - 250 GPD NF Membrane
Axeon - NF4 Series Membrane Elements - NF4-2521 - 250 GPD Membrane Element (Formerly R.O. UltraTec) Manufactured using the industry’s leading membrane film technology. NF4 Membrane Elements offer reliability,high performance, and deliver consistent results. NF4 Membrane Elements are one of the industries most reliable...- $221.95
$277.44- $221.95
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US Water Disruptor 2.5" x 20" DOE Filter Cartridge
US Water brings the latest in “Disruptive Technology” with our new US Water Disruptor Filters for Problem Water Applications, such as Tannin, Heavy Metals, Organics, Silica and fine Collodial Particles Charged Zeta Filtration or CZF is manufactured with Nano Alumina Fibers that have a...- $90.95
$151.59- $90.95
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US Water Patriot DI Tank Replacement Retainer Ring
Replacement Retainer Ring For US Water Patriot DI Tank Genuine factory replacement retainer ring- $9.95
$18.11- $9.95
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AXEON HF4-4040 Reverse Osmosis Membrane
AXEON® HF4–Series Reverse Osmosis Membrane Elements operate at extra-low pressures of only 100 psi, while producing a nominal salt rejection rate of 99% and reaching flow rates up to 2,500 gallons per day. Protected with a hard ABS shell for improved structural integrity, HF4–Series RO Membranes are...- $320.67
$400.84- $320.67
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Pure-Tel Ro-24 Reverse Osmosis Filters
PuROLine PL40T36PP Reverse Osmosis Filter Pack Replacement Filter Pack for PuROLine PL40T36PP 4-Stage Reverse Osmosis System All Filters are Made in the USA NSF Certified for PuROLine High Purity Reverse Osmosis Systems Fits PuROLine PL40T36PP Includes (1) 5 Micron Pre-Filter (1) Carbon Block Pre-Filters...- $49.95
$90.91- $49.95
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US Water Patriot DI Tank Replacement Cap O-Ring
Replacement Cap O-Ring For US Water Patriot DI Tank Genuine factory replacement cap o-ring- $4.95
$9.01- $4.95
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US Water Patriot DI Tank Replacement Cap
Replacement Cap For US Water Patriot DI Tank Genuine factory replacement cap Includes pressure relief button- $49.95
$90.91- $49.95
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Black Quad Floor-Stand Mounting Bracket for 4.5" x 20" Big Blue Filter Housings
Black Quad 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 30.0" wide x 9.25" deep x 29.5" high Does Not...- $209.95
$262.44- $209.95
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PurelyEZ Replacement 2-1 Sintered Carbon Block / Sediment Filter
The PurelyEZ 2-in-1 Sintered Carbon Block with 5-micron Sediment Filter is a replacement combo filter for the PurelyEZ Residential RO System.- $41.99
$38.80- $41.99
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US Water Big Blue Floor Mount Triple Filtration System 4.5 X 20 | BBF3-20-FM
US Water Floor-Mount Three-Stage 4.5" x 20" Water Filtration System 3/4" or 1" Full Flow Inlet & Outlet Includes mounting bracket, screws, and filter wrench. Includes Floor-Mounted Frame (fully assembled) Flows up to 25 GPM, depending upon filters utilized. 20" Commercial-Grade Cartridge Filter Housing...- From $469.95
$563.94- From $469.95
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AXEON HF5-2521 Reverse Osmosis Membrane
AXEON® HF5–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 ultra low energy consumption by operating at low applied pressures.AXEON HF5–Series Membrane Elements are the...- $124.13
$155.16- $124.13
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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.