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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 40" String Wound Filter - 100 Micron
(SWC-25-40100)

The Hydronix 40"String Wound Filter is a cost effective replacement for the Liquatec SWF-25-40100 Filter.


In Stock! Ships in 10 to 11 business days.
Hydronix 40" String Wound Filter  - 100 Micron
Our Price: $14.99
Retail: $18.15
You Save 17%!

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Hydronix 20" x 4.5" String Filter - 100 Micron
(SWC-45-20100)

The Hydronix 20" String Filter is the same economical cartridge as the Liquatec SWF-45-20100 Sediment Filter.


In Stock! Ships in 10 to 11 business days.
Hydronix 20" x 4.5" String Filter - 100 Micron
Our Price: $19.99
Retail: $34.35
You Save 42%!

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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.


In stock! Ships in 1 business day.
Hydronix ISF-10 Inline Sediment Water Filter 10"
Our Price: $8.95
Retail: $14.99
You Save 40%!

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Hydronix 20" x 4.5" Pleated Filter - 50 Micron
(SPC-45-2050)

The Hydronix 20" Pleated Filter is an economical replacement for the Liquatec SPF-45-2050 filter.


In stock! Ships in 1 business day.
Hydronix 20" x 4.5" Pleated Filter - 50 Micron
Our Price: $19.99
Retail: $34.60
You Save 42%!

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Hydronix 20" x 4.5" Pleated Filter - 20 Micron
(SPC-45-2020)

The Hydronix 20" Pleated Filter is an economical replacement for the Liquatec SPF-45-2020.


Special Order. Ships in 20 days.
Hydronix 20" x 4.5" Pleated Filter - 20 Micron
Our Price: $19.99
Retail: $34.60
You Save 42%!

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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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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 20" String Wound Water Filter - 10 Micro
(SWC-25-2010)

The Hydronix 20" String Wound Water Filter reduces particles as small as 10 microns.


Special Order. Ships in 24 days.
Hydronix 20" String Wound Water Filter  - 10 Micro
Our Price: $7.99
Retail: $9.02
You Save 11%!

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Hydronix 12" Inline Sediment Filter 1/4" FNPT
(ISF-2512)

The Hydronix 12" Inline Sediment Filter 1/4" FNPT (ISF-2512) is an inline carbon water filter capable of removing foul odor and poor taste from drinking water. This inline filter can filtrate up to 5 microns, which enables it to reduce sediment and


In Stock! Ships in 10 to 11 business days.
Hydronix 12" Inline Sediment Filter 1/4" FNPT
Our Price: $8.99
Retail: $13.40
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.


In stock! Ships in 1 business day.
Hydronix 10" x 4.5" String Wound Filter 1 Micron
Our Price: $13.99
Retail: $17.15
You Save 18%!

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Polaris GL14SE4P 14W Replacement Lamp - 2 GPM
(GL14SE4P)

The Polaris GL14SE4P is a replacement ultra violet germicidal lamp for use in the following models of UV systems: Polaris UV-24B Polaris UV-100B The Polaris GL14SE4P 14W Replacement Lamp - 2 GPM is a 14 watt UV bulb. This replacement UV bulb


In stock! Ships in 1 business day.
Polaris GL14SE4P 14W Replacement Lamp - 2 GPM
Our Price: $39.04
Retail: $49.95
You Save 22%!

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Hydronix 20" Pleated Sediment Filter - 5 Micron
(SPC-25-2005)

The Hydronix 20" Pleated Sediment Filter is an economical replacement for the Liquatec SPF-25-2005.


Special Order. Ships in 19 days.
Hydronix 20" Pleated Sediment Filter - 5 Micron
Our Price: $9.99
Retail: $15.80
You Save 37%!

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Hydronix ICF-6Q GAC 6" Inline Coconut Filter
(ICF-6Q)

The Hydronix ICF-6Q is a 6" coconut carbon filter with a 1/4 Quick Connect port. Depending on individual usage and water quality, Hydronix inline filter cartridges have a lifespan of approximately 2000 gallons. For the average application, this mean


In Stock! Ships in 10 to 11 business days.
Hydronix ICF-6Q GAC 6" Inline Coconut Filter
Our Price: $4.99
Retail: $10.99
You Save 55%!

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Hydronix 20" x 4.5" String Filter - 30 Micron
(SWC-45-2030)

The Hydronix 20" String Filter is the economical equivalent of the Liquatec SWF-45-2030 Sediment Filter.


Special Order. Ships in 26 days.
Hydronix 20" x 4.5" String Filter - 30 Micron
Our Price: $19.99
Retail: $34.35
You Save 42%!

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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.


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

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Polaris GL10SE4P 10W Replacement Lamp - 1 GPM
(GL10SE4P)

The Polaris GL10SE4P is a replacement ultra violet germicidal lamp for use in the following models of UV systems: Polaris UV-24B Polaris UV-100B The Polaris GL10SE4P 10W Replacement Lamp - 1 GPM is a 10 watt UV bulb. This replacement UV bulb


In Stock! Ships in 10 to 11 business days.
Polaris GL10SE4P 10W Replacement Lamp - 1 GPM
Our Price: $28.95
Retail: $39.99
You Save 28%!

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Polaris QS32- 32W Replacement Quartz Sleeve- 8 GPM
(QS32)

The Polaris QS32- 32W Replacement Quartz Sleeve- 8 GPM is a replacement quartz sleeve for the Polaris UV-8C ultraviolet water filtration system. This UV quartz sleeve protects the UV bulb and ensures that it releases strong UV rays to purify water.


In stock! Ships in 1 business day.
Polaris QS32- 32W Replacement Quartz Sleeve- 8 GPM
Our Price: $15.73
Retail: $19.99
You Save 21%!

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Hydronix 10" Coconut Inline Filter 3/8" Quick Conn
(ICF-10Q38)

The Hydronix ICF-10Q38 is a 10" inline coconut carbon filter with a 3/8" Quick Connect port. This hydrofit quick connection makes for simple installation on your water line. The GAC filter removes sediments, unpleasant odor and tastes.


In stock! Ships in 1 business day.
Hydronix 10" Coconut Inline Filter 3/8" Quick Conn
Our Price: $13.95
Retail: $15.99
You Save 13%!

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Hydronix SGC-25-1001 NSF Sediment Filter
(SGC-25-1001)

The Hydronix SGC-25-1001 NSF Sediment Filter is a replacement water filter cartridge that can be used in multiple applications, including pre-filtration for reverse osmosis water filtration systems and post-filtration in GAC (granular activated carb


Special Order. Ships in 7 days.
Hydronix SGC-25-1001 NSF Sediment Filter
Our Price: $5.99
Retail: $9.99
You Save 40%!

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Polaris DCW-0640B UV Lamp Ballast 24-39W- 110/220V
(DCW-0640B)

The Polaris DCW-0640B UV Lamp Ballast 24-39W- 110/220V is a replacement electronic ballast for the Polaris UV-6C - UV-100B ultraviolet water filtration systems. This 110V/220V ballast is a genuine Polaris replacement part. Polaris ballasts are built


Special Order. Ships in 36 days.
Polaris DCW-0640B UV Lamp Ballast 24-39W- 110/220V
Our Price: $40.60
Retail: $42.63
You Save 5%!

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Hydronix 12" Inline Coconut Water Filter 1/4" FPT
(ICF-2512)

The Hydronix 12" Inline Coconut Water Filter 1/4" FPT (ICF-2512) is an inline filter built with coconut shell carbon and designed to remove bad taste and odor from drinking water while also reducing sediment. With its 5 micron rating, this coconut c


Out of stock
Hydronix 12" Inline Coconut Water Filter 1/4" FPT
Our Price: $8.99
Retail: $13.40
You Save 33%!

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Hydronix 20" Pleated Sediment Filter - 20 Micron
(SPC-25-2020)

The Hydronix 20" Pleated Sediment Filter is the same economical filter as the Liquatec SPF-25-2020.


Out of stock
Hydronix 20" Pleated Sediment Filter - 20 Micron
Our Price: $9.99
Retail: $15.32
You Save 35%!

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Polaris UV-Washer - Polaris Replacement Washer
(UV-Washer)

The Polaris UV-Washer - Polaris Replacement Washer is a UV replacement washer for all models of Polaris ultraviolet water filtration systems. The Polaris UV washer features a white finish and O-ring shape. This Polaris washer features durable constr


In Stock! Ships in 10 to 11 business days.
Polaris UV-Washer - Polaris Replacement Washer
Our Price: $1.95
Retail: $4.95
You Save 61%!

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Hydronix 20" x 4.5" String Wound Filter 5 Micron
(SWC-45-2005)

The Hydronix 20" String Wound Filter is an economical equivalent of the Liquatec SWF-45-2005 Filter.


Special Order. Ships in 12 days.
Hydronix 20" x 4.5" String Wound Filter 5 Micron
Our Price: $28.95
Retail: $29.95
You Save 3%!

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Polaris GL32SE4P 32W Replacement Lamp - 8 GPM
(GL32SE4P)

The Polaris GL32SE4P is a replacement ultra violet germicidal lamp for use in the following model of UV system: Polaris Uv-8C The Polaris GL32SE4P 32W Replacement Lamp - 8 GPM is a 32 watt UV bulb. This replacement UV bulb has a single end and


Special Order. Ships in 16 days.
Polaris GL32SE4P 32W Replacement Lamp - 8 GPM
Our Price: $45.99
Retail: $59.99
You Save 23%!

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Filters Fast - Hydronix Filters

" Just to express my complete satisfaction with your ordering process and, of course, great pricing. When I need a replacement of refrigerator or HVAC filters, I'll be contacting you again. " - Frank, Corona, CA
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