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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: $6.85
Retail: $9.99
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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 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: $7.99
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Hydronix SDC-25-2005 Compatible Sediment Filter
(SDC-25-2005)

The Hydronix SDC-25-2005 Compatible Sediment Filter is an economical 5 micron replacement for the Liquatec SDF-25-2005 20" Sediment Filter.


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Hydronix SDC-25-2005 Compatible Sediment Filter
Our Price: $8.90
Retail: $14.99
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Hydronix 10" Sediment Filter Cartridge - 1 Micron
(SDC-25-1001)

The Hydronix 10" Sediment Filter Cartridge is the same cartridge as the Liquatec SDF-25-1001 Sediment Filter.


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Hydronix 10" Sediment Filter Cartridge - 1 Micron
As Low As: $3.95
Retail: $4.95
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Hydronix 10" Carbon Block Water Filter - 5 Micron
(CB-25-1005)

The Hydronix 10" Carbon Block Water Filter (Hydronix CB-25-1005) is a carbon block cartridge replacement that can be used in residences, food services, and commerial and industrial sites. This 10" carbon filter replaces the Liquatec CB-250-975-01, P


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Hydronix 10" Carbon Block Water Filter - 5 Micron
As Low As: $7.99
Retail: $9.99
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Hydronix SDC-25-1005 Sediment Water Filter - 5 Mic
(SDC-25-1005)

The Hydronix 10" Sediment Filter Cartridge is the same 5 micron rated cartridge as the Liquatec SDF-25-1005 Sediment Filter.


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Hydronix SDC-25-1005 Sediment Water Filter - 5 Mic
Our Price: $4.90
Retail: $4.99
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Hydronix SPC-45-1020 10"x4.5" Filter - 20 Micron
(SPC-45-1020)

The Hydronix SPC-45-1020 replacement 10" water filter can be used in place of the Liquatec SPF-45-1020. Constructed from durable non-woven polyester, this sediment filter effectively reduces particles as small as 20 microns.


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Hydronix SPC-45-1020 10"x4.5" Filter - 20 Micron
As Low As: $10.95
Retail: $13.99
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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: $9.95
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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: $34.99
Retail: $54.99
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Hydronix 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 10" Sediment Filter Cartridge - 50 Micron
As Low As: $3.95
Retail: $6.99
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FiltersFast FF20CB-5 Replacement for Hydronix CB-45-2005
(CB-45-2005)

The Hydronix 20" Carbon Filter (Hydronix CB-45-2005) is a carbon block cartridge replacement built with a 5 micron rating that will help reduce contaminants sometimes found in water. This 20" carbon block filter can be used in several diffe


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FiltersFast FF20CB-5 Replacement for Hydronix CB-45-2005
As Low As: $28.95
Retail: $59.92
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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: $5.49
Retail: $9.99
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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: $16.85
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FiltersFast FF10SW-10 Replacement For Hydronix SDC-25-1010
(SDC-25-1010)

The FiltersFast FF10SW-10 is the correct replacement for the Hydronix SDC-25-1010.


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FiltersFast FF10SW-10 Replacement For Hydronix SDC-25-1010
Our Price: $3.95
Retail: $4.19
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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: $20.99
Retail: $31.20
You Save 33%!

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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

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Hydronix 20" x 4.5" Sediment Filter - 5 Micron
(SDC-45-2005)

The Hydronix 20" Sediment Filter is the same as the Liquatec SDF-45-2005 Sediment Filter.


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Hydronix 20" x 4.5" Sediment Filter - 5 Micron
As Low As: $20.50
Retail: $25.19
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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
You Save 48%!

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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: $16.99
You Save 35%!

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Hydronix 20" x 4.5" Pleated Filter - 10 Micron
(SPC-45-2010)

The Hydronix 20" Pleated Filter is the cost effective replacement for the Liquatec SPF-45-2010.


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Hydronix 20" x 4.5" Pleated Filter - 10 Micron
Our Price: $21.99
Retail: $34.60
You Save 36%!

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FiltersFast FF10BBPS-30 Replacement For Hydronix SPC-45-1030
(SPC-45-1030)

The Hydronix 10" Pleated Filter is the same quality filter as the Liquatec SPF-45-1030.


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FiltersFast FF10BBPS-30 Replacement For Hydronix SPC-45-1030
As Low As: $14.50
Retail: $25.05
You Save 42%!

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Hydronix 20" Carbon Block Water Filter 5 Micron
(CB-25-2005)

The Hydronix 20" Carbon Block Water Filter (Hydronix CB-25-2005) is a carbon block cartridge replacement intended for multiple applications. Hydronix has built this 20" water filter with high purity coconut shell carbon, one of the more effective ty


In stock! Ships in 1 business day.
Hydronix 20" Carbon Block Water Filter 5 Micron
Our Price: $16.99

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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.


In stock! Ships in 1 business day.
Hydronix SDC-45-1005 Sediment Filter 10"x4.5"
As Low As: $12.99
Retail: $23.64
You Save 45%!

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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.


In stock! Ships in 1 business day.
Hydronix SPC-25-1005 10" Pleated Sediment Water Filter
As Low As: $5.99
Retail: $8.76
You Save 32%!

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Filters Fast - Hydronix Filters

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