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Reverse Osmosis Filter Kits

Browse reverse osmosis replacement filter kits for routine system maintenance. Kits may include sediment prefilters, carbon filters, post-filters, and an RO membrane, depending on the model and stage count. Match the kit to your system brand or cartridge dimensions, membrane capacity, connection type, included stages, certifications, and recommended replacement schedule.

Filters

Original price $29.50 - Original price $29.50
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$29.50
$29.50 - $29.50
Current price $29.50

Hydronix PFM-055 Flowmeter has easy to read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injection Mol...

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Original price $29.50 - Original price $29.50
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$29.50
$29.50 - $29.50
Current price $29.50
Original price $70.50 - Original price $70.50
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$70.50
$70.50 - $70.50
Current price $70.50

The PT08-WH-0250 White Polyethylene tubing is manufactured from top quality, low density materials. The PT08-WH-0250 is ideal for a variety of uses...

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Original price $70.50 - Original price $70.50
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$70.50
$70.50 - $70.50
Current price $70.50
Original price $13.25 - Original price $13.25
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$13.25
$13.25 - $13.25
Current price $13.25

SHOK BLOK Filter Protection Valves are you best choice for protecting and limiting water pressure to your water filtration device. This SHOK BLOK M...

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Original price $13.25 - Original price $13.25
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$13.25
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Current price $13.25
Original price $9.00 - Original price $9.00
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$9.00
$9.00 - $9.00
Current price $9.00

Hydronix SDC-25-1005 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...

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Original price $9.00 - Original price $9.00
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$9.00
$9.00 - $9.00
Current price $9.00
Original price $18.00 - Original price $18.00
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$18.00
$18.00 - $18.00
Current price $18.00

Hydron TW-1812-50 – 50 GPD Reverse Osmosis Membrane for DI & RO Systems The Hydronix TW-1812-50 is a high-performance 50 GPD Reverse Osmosis me...

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Original price $18.00 - Original price $18.00
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$18.00
$18.00 - $18.00
Current price $18.00
Original price $149.99 - Original price $149.99
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$149.99
$149.99 - $149.99
Current price $149.99

Hydronix SPV-4021-12 Stainless Steel Membrane Housing – 4" x 21", 1/2" Ports The Hydronix SPV-4021-12 is a high-quality stainless steel pressure ve...

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Original price $149.99 - Original price $149.99
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$149.99
$149.99 - $149.99
Current price $149.99
Original price $36.00 - Original price $36.00
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$36.00
$36.00 - $36.00
Current price $36.00

The PT04-BK-0500 Black Polyethylene tubing is manufactured from top quality, low density materials. The PT04-BK-0500 is ideal for a variety of uses...

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Original price $36.00 - Original price $36.00
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$36.00
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Current price $36.00
Original price $1.42 - Original price $1.42
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$1.42
$1.42 - $1.42
Current price $1.42

Upgrade your water system with confidence using the Hydrofit 1/4" Tube x 1/4" NPTF fitting. Engineered for reliability and ease of installation, th...

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Original price $1.42 - Original price $1.42
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$1.42
$1.42 - $1.42
Current price $1.42
Original price $15.50 - Original price $15.50
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$15.50
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Current price $15.50

Hydronix PMP-LPS14 Low-Pressure Switch for Reverse Osmosis (RO) Booster Pump, 1/4" Quick Connect Port, Cable Included The Hydronix PMP-LPS14 is a l...

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Original price $15.50 - Original price $15.50
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$15.50
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Current price $15.50
Original price $69.95 - Original price $69.95
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$69.95
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Current price $69.95

The Hydronix IFM-220 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece ...

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Original price $69.95 - Original price $69.95
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$69.95
$69.95 - $69.95
Current price $69.95
Original price $29.50 - Original price $29.50
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$29.50
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Current price $29.50

Hydronix PFM Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Solid One piece Injectio...

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Original price $29.50 - Original price $29.50
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$29.50
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Current price $29.50
Original price $34.99 - Original price $34.99
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$34.99
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Current price $34.99

4 Pack - Hydronix Carbon Block Filters are manufactured with high purity coconut shell carbon. These Coconut Carbon Block filters provide an excell...

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Original price $34.99 - Original price $34.99
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$34.99
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Current price $34.99
Original price $8.12 - Original price $8.12
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$8.12
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Current price $8.12

The Hydronix UDF-10 granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction needs....

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Original price $8.12 - Original price $8.12
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$8.12
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Original price $0.00 - Original price $0.00
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$249.99
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Current price $249.99

Hydro Guard HDGT-45BN RO Filtration System – Reliable, Compact & Hassle-Free Water Purification Experience superior water filtration with the H...

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Original price $0.00 - Original price $0.00
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$249.99
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Current price $249.99
Original price $49.99 - Original price $49.99
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$49.99
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Current price $49.99

5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 100 GPD Membrane. For any standard RO system. Sediment, UDF, CTO, Membrane & G...

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Original price $49.99 - Original price $49.99
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$49.99
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Current price $49.99
Original price $41.15 - Original price $41.15
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$41.15
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Current price $41.15

5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 75 GPD Membrane. For any standard RO system. Sediment, UDF, CTO, Membrane and GAC ...

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Original price $41.15 - Original price $41.15
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$41.15
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Current price $41.15
Original price $0.25 - Original price $0.25
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$0.25
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Current price $0.25

Hydronix HDF-LC04R 1/4" OD Quick Connect Locking Clip The Hydronix HDF-LC04R is a high-quality locking clip designed to secure 1/4" OD Quick Connec...

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Original price $0.25 - Original price $0.25
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Original price $19.50 - Original price $19.50
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$19.50
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Current price $19.50

The PG25300B is UV resistant, high quality water pressure gauge designed with the OEM in mind. From the special synthetic fluid used to fill the ga...

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Original price $19.50 - Original price $19.50
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$19.50
$19.50 - $19.50
Current price $19.50
Original price $36.00 - Original price $36.00
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$36.00
$36.00 - $36.00
Current price $36.00

The PT04-WH-0500 White Polyethylene tubing is manufactured from top quality, low density materials. The PT04-WH-0500 is ideal for a variety of uses...

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Original price $36.00 - Original price $36.00
Original price
$36.00
$36.00 - $36.00
Current price $36.00
Original price $70.50 - Original price $70.50
Original price
$70.50
$70.50 - $70.50
Current price $70.50

The PT08-BK-0250 Black Polyethylene tubing is manufactured from top quality, low density materials. The PT08-BK-0250 is ideal for a variety of uses...

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Original price $70.50 - Original price $70.50
Original price
$70.50
$70.50 - $70.50
Current price $70.50
Original price $77.00 - Original price $77.00
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$77.00
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Current price $77.00

The PT06-BL-0500 Blue Polyethylene tubing is manufactured from top quality, low density materials. The PT06-BL-0500 is ideal for a variety of uses ...

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Original price $77.00 - Original price $77.00
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$77.00
$77.00 - $77.00
Current price $77.00
Original price $77.00 - Original price $77.00
Original price
$77.00
$77.00 - $77.00
Current price $77.00

The PT06-BK-0500 Black Polyethylene tubing is manufactured from top quality, low density materials. The PT06-BK-0500 is ideal for a variety of uses...

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Original price $77.00 - Original price $77.00
Original price
$77.00
$77.00 - $77.00
Current price $77.00
Original price $4.81 - Original price $4.81
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$4.81
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Current price $4.81

The FW-2 wrench fits the HF5 Series Hydronix Housings

Original price $4.81 - Original price $4.81
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$4.81
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Current price $4.81
Original price $29.00 - Original price $29.00
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$29.00
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Current price $29.00

The Hydron TW-2012-100 Reverse Osmosis membrane produces 100 gallons per day and is designed for home drinking water, DI systems, office and certai...

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Original price $29.00 - Original price $29.00
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$29.00
$29.00 - $29.00
Current price $29.00
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