Water Filters
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US Water Softening Resin Cartridge 2.5" x 9.75" | USWF-2510-
2.5" x 9.75" Softening Cartridge For Hardness Reduction Ideal Cartridge to Install Pre-RO to Lower Hardness 1,100 Grains Capacity 1 GPM Design flow rate Fits Most 2.5” x 9.75” Filter Housings Temperature Range - 40°F (5°C) to 100°F (38°C) Pressure Range - 20 PSI...-
$33.25 - $19.95
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Hydronix 4.5" x 10" Sediment Depth Filter Cartridge | SDC-45-1050
SDCSERIES - 4.5" x 10" (9-7/8") Graded-Density Sediment Depth Filter - SDC-45-1050 Manufactured from 100% Pure Polypropylene Graded density for higher dirt holding capacity 50 Micron Nominal Filtration Buy in Bulk: 12 per box HYDRONIXSDC SERIES SEDIMENT DEPTH CARTRIDGES These 4.5" x 10" (9-7/8")...-
$20.45 - $12.27
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Big Blue White Refillable Filter Canister 4.5" x 10" | RC-W-BB-975
4.5" X 9.75" (10") Big Blue White Empty Refillable Canister for Granular Media Can be used with a wide range of media, including carbon, polyphosphate, calcite, resin and other media. Low cost and reusable. Made with FDA approved food grade polypropylene. Includes foam pad....-
$21.30 - $13.15
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US Water Nitrate Removal Filter Cartridge 4.5" x 20" | USWF-4520-NT
4.5" x 20" Nitrate Removal Cartridge Using Nitrate Selective Anion Resin Utilizes FDA Grade high capacity anion exchange resin Removes or Reduces Nitrate Soft water feed is recommended Fits any standard big blue 4.5" x 20" Housing Removes Up To 31,994 mg/l ( 1,871...-
$304.92 - $182.95
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White Double Mounting Bracket For 10" & 20" Slimline Filter Housings | FM-30W
White Double Mounting Bracket For 10" & 20" Slimline Filter Housings | FM-30W Heavy-Duty Commercial-Grade Bracket Fits Hydronix HF2 & HF3 Housings Direct Replacement for Flowmatic (Watts) 4200 & 7000 Series brackets Fits All 10" & 20" Slimline Flowmatic, Pentek, Watts, Liquatec, Hydronix and...-
$16.64 - $9.98
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Watts 4 Stage Manifold Reverse Osmosis PWRO4 Filter Pack
There are lots of filter companies selling Reverse Osmosis filters, but if you look closely, you'll find that nearly all of them are made in Taiwan or China. While it is not always possible to sell everything that is American-Made, this 4-Stage Reverse Osmosis...-
$74.92 - $44.95
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Flexeon LT 200 & 300 20" Filter Pack
Replacement Filter Pack For Flexeon LT 200 & LT 300 Systems With 20" Filters | Made In USAAxeon 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...-
$108.25 - $64.95
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US Water Big Blue Polyphosphate Filter Cartridge 4.5" x 10" | USWF-4510-PP
US Water 4.5" x 10" Phosphate Cartridge The cartridges contain food grade slow melt polyphosphate that dissolves slowly in water to inhibit scale and rust build-up. This type of treatment is recommended for use with ice machines, coffee and vending machines, food service equipment,...-
$149.92 - $89.95
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US Water Fluoride Reduction Filter Cartridge 4.5" x 20" | USWF-4520-BC
US WATER SYSTEMS FLUORIDE REDUCTION FILTER CARTRIDGE 4.5" X 20" 4.5" x 20" Fluoride Removal (4.5" x 20")-US Water Systems USWF-4520-BCFluoride can occur in drinking water naturally as a result of the geological composition of soils and bedrock. Additional fluoride enters drinking water in discharge...-
$288.25 - $172.95
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Filter Bracket Screws for Slimline Filters | MS1034
Mounting Bracket Screws for 2.5" Slimline Filter Housings Fits most 2.5" x 10" and 2.5" x 20" slimline filter housings Also fits most RO filter housings Set of 4 #10 x 3/4" Part # MS1034-
$1.42 - $0.85
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4-Stage Reverse Osmosis Filter Pack Fits Most Sump-Type RO Systems - 20"
US Water 4-Stage Permeate Pump Reverse Osmosis Filter Pack For Systems With 20" Filters All Filters are NSF Certified for High Purity Reverse Osmosis Systems Includes: (1) 5 Micron Pre-Filter (2) Carbon Block Pre-Filters Membrane Sold Separately It is recommended that filters be changed...-
$91.59 - $54.95
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White 2.5" x 20" Commercial Filter Housing
20" Commercial-Grade Single Cartridge Filter Housing - 3/8" Inlet/Outlet - White Cap and White Sump This commercial2.5” x 20” Whilte Filter Housing will handle heavy filtration needs for years. It accepts any industry standard 2.5” x 20” filter cartridge which includes, pleated, melt blown,...-
$76.59 - $45.95
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Watts FMRO5 Reverse Osmosis Filters
Watts FMRO5 Reverse Osmosis Filter Pack Watts Water Technologies, Inc. is a supplier of products and solutions that manage and conserve the flow of fluids and energy into, through and out of buildings in the residential and commercial markets. The Company, through its subsidiary,...-
$83.25 - $49.95
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Enpress One 10 & 5 Micron Pleated Filter Cartridge | CT-10x5
Enpress One 10 & 5 Micron Pleated Filter Cartridge | CT-10x5 The Enpress One Pleated Filtration Series are dual gradient double pleated filtration solutions for extended life and use, with filtration levels of 5, 10 and 20 microns. The filters are designed with a...-
$602.75 - $361.65
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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...-
$116.59 - $69.95
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Matrixx Smart Whole House Backwashing Granular Activated Carbon Filter
Matrixx Granular Activated Carbon Backwashing Filter Reduces Chlorine, Chemicals, Tastes, And OdorsThe Matrixx automatic backwashing carbon filter system is specifically designed for applications to remove chlorine, chemicals, and pesticides, or for de-chlorination of water supplies, such as for foodservice, RO pre-treatment, and whole-house filtration.The...-
$2,059.17 - From $1,235.50
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2.5 x 10 Limeblaster Replacement Cartridge | LBC-2510-D
2.5" 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...-
$41.59 - $24.95
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AXEON HF4-4021 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...-
$374.59 - $224.75
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Hydronix 4.5" x 20" Sediment Graded Density Filter Cartridge | SDC-45-2010
SDC SERIES - 4.5" x 20" Graded-Density Sediment Depth Filter - SDC-45-2010 Manufactured from 100% Pure Polypropylene Graded density for higher dirt holding capacity 10 Micron Nominal Filtration Buy in Bulk: 6 per box HYDRONIX SDC SERIES SEDIMENT DEPTH CARTRIDGES These 4.5" x 20"...-
$33.14 - $19.88
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Limeblaster 2.5" x 19" Replacement Cartridge | 222 Seal
2.5" x 19" US Water Limeblaster Cartridge - 222 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...-
$68.25 - $40.95
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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.