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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.

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Hydronix Filters product list


Hydronix 20" x 4.5" Sediment Filter - 20 Micron
(SDC-45-2020)

The Hydronix 20" Sediment Filter is the same quality filter as the Liquatec SDF-45-2020 Sediment Filter.


In stock! Ships in 1 business day.
Hydronix 20" x 4.5" Sediment Filter - 20 Micron
Our Price: $22.00
Retail: $27.09
You Save 19%!

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Hydronix 10" String Wound Water Filter - 10 Micron
(SWC-25-1010)

The Hydronix SWC-25-1010 is a 10 micron string wound water filter cartridge suitable for well and municipal water . This 10" string wound filter effectively reduces rust, dirt, sand, silt, and scale particles in your water.


Special Order. Ships in 14 days.
Hydronix 10" String Wound Water Filter - 10 Micron
Our Price: $3.99
Retail: $4.35
You Save 8%!

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Hydronix 20" Large Pleated Water Filter - 5 Micron
(SPC-45-2005)

Hydronix 20" Large Pleated Filter is the economical replacement for the Liquatec SPF-45-2005.


In stock! Ships in 1 business day.
Hydronix 20" Large Pleated Water Filter - 5 Micron
Our Price: $24.99
Retail: $37.80
You Save 34%!

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Hydronix 20" x 4.5" Sediment Filter - 50 Micron
(SDC-45-2050)

The Hydronix 20" Sediment Filter is the economical equivalent of the Liquatec SDF-45-2050 Sediment Filter.


In stock! Ships in 1 business day.
Hydronix 20" x 4.5" Sediment Filter - 50 Micron
Our Price: $22.00
Retail: $27.09
You Save 19%!

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Hydronix 30" String Wound Water Filter - 20 Micron
(SWC-25-3020)

The Hydronix 30" String Wound Water Filter is the same quality filter as the Liquatec SWF-25-3020 Filter.


In Stock! Ships in 10 to 11 business days.
Hydronix 30" String Wound Water Filter - 20 Micron
Our Price: $11.99
Retail: $13.61
You Save 12%!

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Polaris UV-Seal Replacement Polaris UV Filter Seal
(UV-Seal)

The Polaris UV-Seal Replacement Polaris UV Filter Seal is a replacement UV seal for all models of Polaris ultraviolet water filtration systems. This Polaris seal is used as an O-ring to tighten sleeves and nuts. This Polaris UV-seal is a genuine rep


In Stock! Ships in 10 to 11 business days.
Polaris UV-Seal Replacement Polaris UV Filter Seal
Our Price: $1.99
Retail: $5.99
You Save 67%!

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Hydronix SWC-25-2005 String Wound Water Filter
(SWC-25-2005)

The Hydronix SWC-25-2005 String Wound Water Filter is the same economical filter as the Liquatec SWF-25-2001 sediment cartridge.


Out of stock
Hydronix SWC-25-2005 String Wound Water Filter
Our Price: $11.55
Retail: $14.99
You Save 23%!

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Hydronix 20" x 4.5" Carbon Filter - 1 Micron
(CB-45-2001)

The Hydronix 20" Carbon Filter (Hydronix CB-45-2001) is a carbon block cartridge replacement built for various filtration needs. This 20" carbon filter has a 1 micron rating and is versatile enough to be used in food services, commercial an


In Stock! Ships in 1 to 2 business days.
Hydronix 20" x 4.5" Carbon Filter - 1 Micron
Our Price: $54.99
Retail: $83.08
You Save 34%!

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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.


Out of stock
Hydronix 10" x 4.5" String Wound Filter 1 Micron
Our Price: $13.99
Retail: $17.15
You Save 18%!

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Hydronix 20" x 4.5" Carbon Filter - 10 Micron
(CB-45-2010)

The Hydronix 20" Carbon Filter (Hydronix CB-45-2010) is a carbon block cartridge replacement that reduces impurities that can sometimes be found in water. The 20" carbon block filter accomplishes this by having a 10 micron rating and by bei


Out of stock
Hydronix 20" x 4.5" Carbon Filter - 10 Micron
Our Price: $43.97
Retail: $49.95
You Save 12%!

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Hydronix 10" GAC KDF Water Filter Cartridge
(UDF-10KDF.5)

The Hydronix 10" GAC KDF Water Filter Cartridge (UDF-10KDF.5) is a water filter filter manufactured with high quality coconut shell carbon, resin, and KDF in order to improve the taste of drinking water. These media are effective in the removal of o


In stock! Ships in 1 business day.
Hydronix 10" GAC KDF Water Filter Cartridge
As Low As: $18.47
Retail: $26.28
You Save 30%!

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Aqua-Pure AP117 Water Filter Compatible
(HDG-P117)

The Hydronix part HDG-P117 is a direct replacement for the Aqua-Pure AP117 2 Pack Premium Chlorine Taste & Odor Filter. While the AP117 is sold as a 2 pack, the HDG-P117 filter is sold in single units. With its 5 micron ratingk, the Aqua Pure AP117


In stock! Ships in 1 business day.
Aqua-Pure AP117 Water Filter Compatible
Our Price: $25.83
Retail: $29.95
You Save 14%!

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Hydronix 20" Large Sediment Filter - 1 Micron 6-Pack
(SDC-45-2001)

The Hydronix 20" Large Blue Sediment Filter is an economical equivalent to the Liquatec SDF-45-2001.


Special Order. Ships in 14 days.
Hydronix 20" Large Sediment Filter - 1 Micron 6-Pack
Our Price: $95.40
Retail: $149.70
You Save 36%!

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Hydronix UDF-10 GAC Water Filter Cartridge 10x2.5
(UDF-10 H)

Tackle water quality issues with the Hydronix UDF-10 replacement 10" GAC water filter made from high quality coconut shell carbon. The carbon filter media reduces bad chlorine taste and odor.


Special Order. Ships in 14 days.
Hydronix UDF-10 GAC Water Filter Cartridge 10x2.5
Our Price: $5.99
Retail: $7.00
You Save 14%!

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Hydronix 10" String Wound Water Filter - 30 Micron
(SWC-25-1030)

The Hydronix SWC-25-1030 is a 30 micron string wound filter cartridge made of 100% polypropylene cord. This durable filter can withstand temperatures ranging from 40 to 165 degrees farenheit, making it ideal for use with well and municipal water sou


In Stock! Ships in 10 to 11 business days.
Hydronix 10" String Wound Water Filter - 30 Micron
Our Price: $3.99
Retail: $4.35
You Save 8%!

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Hydronix 20" x 4.5" String Wound Filter 1 Micron
(SWC-45-2001)

The Hydronix 20" String Wound Filter is the same filter as the Liquatec SWF-45-2001 Sediment Filter.


In stock! Ships in 1 business day.
Hydronix 20" x 4.5" String Wound Filter 1 Micron
Our Price: $19.99
Retail: $34.35
You Save 42%!

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Hydronix 20 x 4.5 Inch GAC Water Filter Cartridge
(UDF-20BP H)

The Hydronix 20" Large GAC Water Filter Cartridge (UDF-20BP H) iThe Hydronix 20" Large GAC Water Filter Cartridge (UDF-20BP H) is a water filter that is both quality made and of competitive cost. This carbon water filter is used to effectively


In Stock! Ships in 1 to 2 business days.
Hydronix 20 x 4.5 Inch GAC Water Filter Cartridge
Our Price: $39.50
Retail: $53.40
You Save 26%!

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Hydronix 10" Coconut Inline Filter 1/4" Quick Conn
(ICF-10Q)

The Hydronix ICF-10Q is a 10" inline coconut carbon filter with a 1/4" Quick Connect port. This connection allows for easy installation on your water line for use with coffee and ice makers, refrigerators and reverse osmosis systems.


In stock! Ships in 1 business day.
Hydronix 10" Coconut Inline Filter 1/4" Quick Conn
Our Price: $7.99
Retail: $9.99
You Save 20%!

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Hydronix 40" String Wound Water Filter - 10 Micron
(SWC-25-4010)

The Hydronix 40" String Wound Water Filter, a 10 micron filter is the same as the Liquatec SWF-25-4010 Filter.


In Stock! Ships in 10 to 11 business days.
Hydronix 40" String Wound Water Filter - 10 Micron
Our Price: $14.99
Retail: $18.15
You Save 17%!

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Hydronix 10" x 4.5" Carbon Filter - 10 Micron 9-Pack
(CB-45-1010)

The Hydronix 10" Carbon Filter (Hydronix CB-45-1010) is a carbon block cartridge replacement made for several purposes and applications. This 10" carbon built is built from high purity coconut shell carbon in order to effectively reduce imp


Special Order. Ships in 20 days.
Hydronix 10" x 4.5" Carbon Filter - 10 Micron 9-Pack
Our Price: $185.85
Retail: $224.91
You Save 17%!

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Hydronix LF-BLR Long Reach Water Filter Faucet
(LF-BLR)

The Hydronix LF-BLR Long Reach Water Filter Faucet can be used in RO and drinking water systems. This reverse osmosis faucet features a long reach and an elegant chrome plated finish. This long reach faucet boasts professional workmanship and high q


In Stock! Ships in 10 to 11 business days.
Hydronix LF-BLR Long Reach Water Filter Faucet
Our Price: $16.99
Retail: $19.99
You Save 15%!

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Hydronix 10" x 4.5" GAC Water Filter Cartridge
(UDF-10BP H)

The Hydronix 10" GAC Water Filter Cartridge (UDF-10BP H) is a water filter built to remove organic compounds from drinking water including VOCs, chlorine, radon, and odor. This 10" GAC filter is manufactured with high quality coconut shell


In stock! Ships in 1 business day.
Hydronix 10" x 4.5" GAC Water Filter Cartridge
Our Price: $19.99
Retail: $29.40
You Save 32%!

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Hydronix ISF-10 Inline Sediment Water Filter 10"
(ISF-10)

The Hydronix ISF-10 10" Inline Sediment Water Filter 1/4" (ISF-10) is an inline water filter that improves quality by reducing sediment. The polypropylene filter media has a 5 micron rating and can be attached on to a water line.


Special Order. Ships in 17 days.
Hydronix ISF-10 Inline Sediment Water Filter 10"
Our Price: $8.95
Retail: $14.99
You Save 40%!

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Hydronix SWC-45-2 10 Micro String Filter-20x4.5
(SWC-45-2010)

The Hydronix 20" Large String Filter is the same quality filter as the Liquatec SWF-45-2010 String Wound Filter.


Out of stock
Hydronix SWC-45-2 10 Micro String Filter-20x4.5
Our Price: $19.99
Retail: $34.35
You Save 42%!

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Hydronix 20" x 4.5" String Filter - 20 Micron 6-Pack
(SWC-45-2020)

The Hydronix 20" String Filter is the equivalent replacement for the Liquatec SWF-45-2020 String Wound Filter.


Special Order. Ships in 16 days.
Hydronix 20" x 4.5" String Filter - 20 Micron 6-Pack
Our Price: $119.94
Retail: $206.10
You Save 42%!

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Filters Fast - Hydronix Filters

" Thank you for your expert service when helping me get the proper filters for my old pool and filter system. The new ones are perfect and work very well. All the best! " - Jim, Alamo, CA
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