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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 SWC-45-2020 20" x 4.5" String Filter - 20 Micron 6-Pack
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $137.94

Hydronix SDC-45-2005 Replacement for Liquatec SDF-45-2005
In Stock!
Ships in 1 business day

Retail: $26.99

As Low As: $17.95

Save 33%!

Hydronix SWC-25-10100, 100 Micron String Wound Water Filter
In Stock!
Ships in 1 business day

Retail: $9.99

As Low As: $3.99

Save 60%!

Pentek UDS-10EX1 Replacement for Hydronix UDF-10KDF.5
In Stock!
Ships in 1 business day

Retail: $54.03

As Low As: $37.78

Save 30%!

FiltersFast FF10PS-20 Replacement for Ametek PS-S1
In Stock!
Ships in 1 business day

Retail: $10.99

As Low As: $4.95

Save 55%!

Pentek R50 Replacement for Hydronix SPC-25-1050
In Stock!
Ships in 1 business day

Retail: $18.01

As Low As: $10.67

Save 41%!

Hydronix SDC-45-2050, 50 Micron Graded Density Filter 6-Pack
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $161.94

Our Price: $131.70

Save 19%!

Hydronix SDC-45-2005 Replacement for Pentek 555469-43
In Stock!
Ships in 1 business day

Retail: $26.99

As Low As: $17.95

Save 33%!

Hydronix SWC-45-2005 20x4.5 String Wound Filter - 5 Micron
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $131.70

Pentek EPM-BB Replacement For Hydronix CB-45-1010
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Retail: $48.03

As Low As: $31.41

Save 35%!

Watts SF1-20 Replacement for Hydronix SWC-25-2001
In Stock!
Ships in 5 to 6 business days.

Retail: $8.99

Our Price: $7.99

Save 11%!

Hydronix SDC-45-2005 Replacement For Liquatec SDF-45-2050
In Stock!
Ships in 1 business day

Retail: $26.99

As Low As: $17.95

Save 33%!

Hydronix CB-25-2010 Replacement for Liquatec CB-250-20-10

Out of stock

Retail: $26.99

As Low As: $14.99

Save 44%!

Hydronix CB-45-1005 Replacement for Liquatec CB-450-975-05
In Stock!
Ships in 1 business day

Retail: $34.99

As Low As: $21.95

Save 37%!

Hydronix CB-25-2010 Replacement For Watts IF-CB-020

Out of stock

Retail: $26.99

As Low As: $14.99

Save 44%!

Hydronix SPC-25-1005 Replacement for Liquatec SPF-25-1005
In Stock!
Ships in 1 business day

Retail: $8.99

As Low As: $6.99

Save 22%!

Hydronix SDC-45-2001 Replacement for Pentek GDA-250.5-20BB
In Stock!
Ships in 1 business day

Retail: $25.99

As Low As: $17.95

Save 31%!

Hydronix SDC-45-2001 Replacement for Pentek 555475-43
In Stock!
Ships in 1 business day

Retail: $25.99

As Low As: $17.95

Save 31%!

FiltersFast FF10S-1 Replacement for Aqua Flo SPB-1-10
In Stock!
Ships in 1 business day

Retail: $9.99

As Low As: $5.85

Save 41%!

FiltersFast FFGAC-10BB Replacement For Hydronix UDF-10BP H
In Stock!
Ships in 1 business day

Retail: $29.99

As Low As: $16.95

Save 43%!

Hydronix 40" Sediment Filter Cartridge - 5 Micron
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $259.80

Hydronix 40" String Wound Filter  - 100 Micron
FREE SHIPPING!

within the continental U.S.

Special Order.
Ships in 5 to 6 days.

Our Price: $359.80

Hydronix SPC-45-1030 Replacement for PurePlus PPL10BB
In Stock!
Ships in 1 business day

Retail: $29.99

As Low As: $13.95

Save 53%!

Watts WPC1FF20 Replacement for Hydronix SPC-45-2001
In Stock!
Ships in 1 business day

Retail: $41.99

As Low As: $29.95

Save 29%!

Hydronix SWC-25-1030 Replacement for Aqua Flo SW-30-10
In Stock!
Ships in 1 business day

Retail: $6.99

As Low As: $3.45

Save 51%!

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