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Hydronix makes affordable, cost-effective filters that are compatible with Liquatec, Pentek and Watts filter cartridges.
The Hydronix water filter line is vast, including whole house water filters, sediment water filters, inline water filters and reverse osmosis membranes.

Hydronix Filters full product list:


Hydronix SDC-25-2020 Sediment 20" Filter 20 Micron
(SDC-25-2020)

The Hydronix 20" Sediment Filter Cartridge is the economical 20 Micron replacement cartridge for the Liquatec SDF-25-2020 20"Sediment Filter.


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Hydronix SDC-25-2020 Sediment 20" Filter 20 Micron
As Low As: $4.95
Retail: $10.99
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Hydronix 20" Sediment Filter Cartridge - 1 Micron
(SDC-25-2001)

The Hydronix 20" Sediment Filter Cartridge is a 1 micron economical replacement for the Liquatec SDF-25-2001 Sediment Filter.


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Hydronix 20" Sediment Filter Cartridge - 1 Micron
As Low As: $5.95
Retail: $9.99
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FiltersFast FF20S-5 Replacement for Hydronix SDC-25-2005
(SDC-25-2005)

The FF20S-5 filter is used as pre-filtration for reverse osmosis systems and post-filtration for granular activated carbon (GAC) filters.


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FiltersFast FF20S-5 Replacement for Hydronix SDC-25-2005
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Retail: $14.99
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Hydronix SWC-45-1005 10" 5 Micron String Filter
(SWC-45-1005)

The Hydronix SWC-45-1005 ifeatures a 100% polypropylene fiber cord filter material that allows for superior flow rates and dirt holding capacity.


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Hydronix SWC-45-1005 10" 5 Micron String Filter
As Low As: $13.99
Retail: $18.99
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Hydronix 10" String Wound Water Filter - 5 Micron
(SWC-25-1005)

The Hydronix SWC-25-1005 is a 10" polypropylene string wound water filter cartridge that replaces the Watts SF5-978, the Liquatec SWF-25-1005 and the Pentek WP-5, also known as Pentek 155071. This 5 micron string wound filter reduces sand, silt,


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Hydronix 10" String Wound Water Filter  - 5 Micron
As Low As: $5.49
Retail: $9.99
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Hydronix SDC-25-1005 Sediment Water Filter - 5 Micron
(SDC-25-1005)

Your water quality matters, so the Hydronix SDC-25-1005 compatible water filter was designed to improve your water while being a money-saving alternative to the Pentek P5.


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Hydronix SDC-25-1005 Sediment Water Filter - 5 Micron
As Low As: $4.95
Retail: $7.99
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Hydronix SDC-25-1050 10" Sediment Filter Cartridge - 50 Micron
(SDC-25-1050)

The Hydronix 10" Sediment Filter Cartridge is the same 50 Micron rated water filter cartridge as the Liquatec SDF-25-1050 Sediment Filter.


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Hydronix SDC-25-1050 10" Sediment Filter Cartridge - 50 Micron
As Low As: $3.95
Retail: $6.99
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FiltersFast FF10CCB-5 Replacement for Hydronix CB-25-1005
(CB-25-1005)

The FiltersFast FF10CCB-5 is the compatible replacement for the Hydronix CB-25-1005, Liquatec CB-250-975-01, Pentek EP-10, Pentek 155531-43, and the Watts MAXETW-975.


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FiltersFast FF10CCB-5 Replacement for Hydronix CB-25-1005
Our Price: $6.95
Retail: $9.99
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Hydronix 20" Carbon Block Water Filter 10 Micron
(CB-25-2010)

The Hydronix 20" Carbon Block Water Filter (Hydronix CB-25-2010) is a carbon block cartridge replacement capable of handling several different applications. The 20" carbon filter boasts a very effective carbon type, high purity coconut shell carbon.


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Hydronix 20" Carbon Block Water Filter 10 Micron
As Low As: $13.99
Retail: $26.99
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FiltersFast FF10S-1 Replacement for Hydronix SDC-25-1001
(SDC-25-1001)

The FiltersFast FF10S-1 Sediment Filter Cartridge is used as pre-filtration for reverse osmosis systems and post-filtration for GAC filters.


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FiltersFast FF10S-1 Replacement for Hydronix SDC-25-1001
As Low As: $3.85
Retail: $8.99
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Hydronix SPC-45-1020 Pleated Sediment Water Filter
(SPC-45-1020)

The Hydronix SPC-45-1020's pleated construction allows it to filter effectively and reduce particles as small as 20 microns such as sand, sediment, silt and rust.


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Hydronix SPC-45-1020 Pleated Sediment Water Filter
As Low As: $8.45
Retail: $16.99
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Hydronix 10" x 4.5" Sediment Filter - 10 Micron
(SDC-45-1010)

The Hydronix 10" Sediment Filter is the same 10 micron filter as the Liquatec SDF-45-1010 Filter.


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Hydronix 10" x 4.5" Sediment Filter - 10 Micron
As Low As: $10.99
Retail: $18.99
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Hydronix 10" x 4.5" Carbon Filter - 5 Micron
(CB-45-1005)

The Hydronix 10" Carbon Filter (Hydronix CB-25-1005) is a carbon block cartridge replacement built from high purity coconut shell carbon and available for multiple applications. This 10" carbon filter is ideal for use in food service indust


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Hydronix 10" x 4.5" Carbon Filter - 5 Micron
As Low As: $17.95
Retail: $31.99
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Pure-Rite 10-2510CB Replacement for Hydronix CB-25-1010
(CB-25-1010)

The Pure-Rite 10-2510CB is the compatible replacement for the Hydronix CB-25-1010 and fits the following water filtration systems:


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Pure-Rite 10-2510CB Replacement for Hydronix CB-25-1010
As Low As: $7.95
Retail: $11.99
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FiltersFast FFDG-20BB-5 Replacement For Hydronix SDC-45-2005
(SDC-45-2005)

The FiltersFast FFDG-20BB-5 Sediment Filter is resistant to chemicals and reduces waterborne contaminants like rust, sediment, silt and sand.


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FiltersFast FFDG-20BB-5 Replacement For Hydronix SDC-45-2005
As Low As: $16.95
Retail: $26.99
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Hydronix SWC-25-1005 Replacement For Watts SF5-978
(SF5-978)

The Hydronix SWC-25-1005 is the correct replacement for the Watts SF5-978.


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Hydronix SWC-25-1005 Replacement For Watts SF5-978
As Low As: $5.95
Retail: $9.99
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Hydronix 20" Sediment Filter Cartridge - 50 Micron
(SDC-25-2050)

The Hydronix 20" Sediment Filter Cartridge is an economical replacement for the 50 Micron Liquatec SDF-25-2050 20" Sediment Filter.


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Hydronix 20" Sediment Filter Cartridge - 50 Micron
Our Price: $6.70
Retail: $7.99
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FiltersFast FF20CB-5 Replacement for Hydronix CB-45-2005
(CB-45-2005)

The FiltersFast FF20CB-5 is a carbon block cartridge replacement for various uses, including residential areas, food service industries, and commercial and industrial sites.


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FiltersFast FF20CB-5 Replacement for Hydronix CB-45-2005
As Low As: $28.95
Retail: $59.99
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Hydronix 20" Sediment Filter Cartridge - 10 Micron
(SDC-25-2010)

The Hydronix 20" Sediment Filter Cartridge is an economical 10 micron replacement for the Liquatec 20" SDF-25-2010 Sediment Filter.


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Hydronix 20" Sediment Filter Cartridge - 10 Micron
Our Price: $6.85
Retail: $8.99
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FiltersFast FF10S-20 Replacement for Hydronix SDC-25-1020
(SDC-25-1020)

The Hydronix 10" Sediment Filter Cartridge, also known as part number SDC-25-1020 is the same 20 Micron rated water filter as the Liquatec SDF-25-1020 Sediment Filter.


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FiltersFast FF10S-20 Replacement for Hydronix SDC-25-1020
As Low As: $3.45
Retail: $5.99
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Hydronix SDP-4520 Replacement for Pentek RFC20-BB
(RFC20-BB HY)

The Hydronix SDP-4520 20" Radial Flow Carbon Filter fits most 20 inch filter housings.


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Hydronix SDP-4520 Replacement for Pentek RFC20-BB
As Low As: $38.95
Retail: $62.99
You Save 38%!

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Hydronix SDC-45-1005 Sediment Filter 10"x4.5"
(SDC-45-1005)

The Hydronix 10" Sediment Filter is the economical replacement for the Liquatec SDF-45-1005 Filter.


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Hydronix SDC-45-1005 Sediment Filter 10"x4.5"
As Low As: $12.99
Retail: $23.99
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Hydronix SPC-25-1005 10" Pleated Sediment Water Filter
(SPC-25-1005)

The Hydronix 10" Pleated Sediment Filter is the cost effective replacement for the Liquatec SPF-25-1005 filter.


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Hydronix SPC-25-1005 10" Pleated Sediment Water Filter
As Low As: $5.99
Retail: $8.99
You Save 33%!

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Hydronix 10" x 4.5" String Wound Filter 1 Micron
(SWC-45-1001)

The Hydronix 10" String Wound Filter is an economical replacement for the Liquatec SWF-45-1001 Filter.


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Hydronix 10" x 4.5" String Wound Filter 1 Micron
Our Price: $15.99
Retail: $18.99
You Save 16%!

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Hydronix SPC-45-1005 Pleated Sediment Water Filter
(SPC-45-1005)

The Hydronix 10" Pleated Filter is an economical replacement for the Liquatec SPF-45-1005 Filter.


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Hydronix SPC-45-1005 Pleated Sediment Water Filter
As Low As: $11.95
Retail: $15.99
You Save 25%!

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Filters Fast - Hydronix Filters

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