Water Filters
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Filter Wrench For 2.5" Commercial Filter Housings | WR200
Filter Wrench for 2-1/2" Commercial Filter Housings Also fits Liquatec and Pentek 2.5" Commercial housings Fits Hydronix HF5 Series Filter Housings Hydronix Part # FW-2- $3.95
$4.94- $3.95
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4.5 x 10 Limeblaster Replacement Cartridge | LBC-4510-D
4.5" x 10" 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 Big Blue Softening Resin Cartridge 4.5" x 20" | USWF-4520-SF
4.5" x 20" Big Blue Replacement Softening Cartridge For Hardness Reduction Ideal Cartridge to Install Pre-RO to Lower Hardness 6,200 Grains Capacity 3 GPM Design flow rate Fits Most 4.5” x 20” Big Blue Filter Housings Temperature Range - 40°F (5°C) to 100°F (38°C)...- $54.95
$100.01- $54.95
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US Water 2.5" x 20" Pleated Filter Cartridge 20 Micron
2.5" x 20" 20 Micron US Water Polypropylene Filter CartridgeFeatures 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 filter...- $14.95
$24.92- $14.95
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US Water 4.5" x 9.75" Pleated Filter Cartridge 50 Micron
4.5" x 9.75" 50 Micron US Water Polyester Filter CartridgeFeatures: 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 filter...- $19.95
$33.25- $19.95
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US Water White Residential Filter Housing 2.5" x 10" - 3/8" | 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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Hydronix 4.5" x 10" Sediment Depth Filter Cartridge | SDC-45-1001
SDCSERIES - 4.5" x 10" (9-7/8") Graded-Density Sediment Depth Filter - SDC-45-1001 Manufactured from 100% Pure Polypropylene Graded density for higher dirt holding capacity 1 Micron Nominal Filtration Buy in Bulk: 12 per box HYDRONIXSDC SERIES SEDIMENT DEPTH CARTRIDGES These 4.5" x 10" (9-7/8")...- $10.88
$19.80- $10.88
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US Water 4.5 x 10 High Flow Filter Housing Kit
US Water Systems 4.5 x 10 High Flow Filter Housing Kit | No CartridgesThe one thing most filter housings have in common is that that are made in the Far East (usually China). Even the industry standard for Big Blue housings, Pentek is no...- $129.95
$162.44- $129.95
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US Water Systems Spun Poly Sediment Filter 4.5" x 10" 1 Micron
US Water Systems Meltblown Spun Poly Sediment Filter - 4.5" 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...- $17.95
$32.67- $17.95
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US Water Systems 4.5 x 10 Carbon Block Filter With Double O-Ring Seal
US Water Systems 4.5 x 10 Carbon Block Filter With Double O-Ring Seal Filter elements are designed to fit US Water Systems 10” big gray filter housings. Double O-Ring seal prevents filter bypass and ensures that 100% of your water is filtered This high...- $38.95
$70.89- $38.95
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Magna 4.5 x 20 Quad Floor Mount High Flow Filter System
Magna 4.5 x 20 Quad 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 $795.00
$1,091.91- From $795.00
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Matrixx Smart Whole House Backwashing Catalytic Carbon Filter
Matrixx Catalytic Carbon Superfilter Reduces Chloramines, Chlorine, and Most Other VOC (Volatile Organic Chemicals). The Matrixx Catalytic Carbon Filter is designed to remove chlorine, chemicals, pesticides, and CHLORAMINES, utilizing Catalytic Granular Activated Carbon. Reduces Chloramines, Chlorine, and Most Other VOC (Volatile Organic Chemicals). This...- From $1,325.50
$2,412.41- From $1,325.50
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Pentek Radial Flow Iron Reduction Cartridge 4.5" x 20" - RFFE20-BB
PENTEK RFFE20-BB SERIES RADIAL FLOWIRON REDUCTIONCARTRIDGES PENTEK Part #155263-03 Model # RFFE20-BB Easily and effectively reduces up to 3PPM of disolved iron from water Ideal for point-of-entry (POE) and other high flow rate applications Improves flavor and reduces the metallic taste caused by iron...- $183.70
$334.33- $183.70
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US Water Big Blue 4.5 X 20 Dual Filtration System
US Water Two-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 $299.95
$359.94- From $299.95
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Watts GTS-550 Reverse Osmosis Filters
Watts GTS-550 Reverse Osmosis Filter Pack US Water Systems offers quality USA manufactured compatible filters at a cost savings that will meet or exceed Watts Water Technologies specifications. Replacement Filter Pack for Watts GTS-550 5-Stage Reverse Osmosis System All Filters are Made in the...- $49.95
$90.91- $49.95
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US Water Systems AR-6 RO Replacement Filter Pack
Replacement Filter Pack For US Water AR-6 SystemsAxeon formal named RO Ultra Tech has been 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 Axeon’s specifications. It is...- $119.95
$218.31- $119.95
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Magna 4.5 x 10 Triple High Flow Filter System
Magna 4.5 x 10 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 $289.95
$527.71- From $289.95
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US Water Systems Calcite Replacement Cartridge 4.5" x 20" Double O-Ring Seal | USWF-4520-PH-OR
US Water Systems Calcite Replacement Cartridge 4.5" x 20" Double O-Ring Seal | USWF-4520-PH-OR 4.5" x 20" Calcite cartridge is used to neutralize acidic water (raising the pH), reducing the leaching of metal plumbing components, and for use post RO to raise TDS, in...- $109.95
$200.11- $109.95
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Blue 2.5" x 10" US Water Commerical Filter Housing
10" Commercial-Grade Single Cartridge Filter Housing - 3/4" Inlet/Outlet -Black Cap and Blue Sump 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...- $23.95
$29.94- $23.95
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US Water 4.5 x 10 Big Clear Commercial Filter Housing
US Water Big Clear 4.5 x 10 Commercial Filter Housing With 1" Inlet/Outlet - Includes Pressure Relief Valve The US Water 4.5” x 10” Big Clear Cartridge Housing is a Commercial Grade Housing that will handle heavy filtration needs for years. It accepts any...- $94.95
$118.69- $94.95
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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.