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

This High Quality 3 set SmartPack RO Reverse Osmosis Replacement filter cartridges (Pre-filters) are NSF Certified, measuring 2.5" x 10". These fil...

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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 $70.25 - Original price $70.25
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$70.25
$70.25 - $70.25
Current price $70.25

Upgrade your water purification system with the HYDRON MEMBRANE 300GPD, a high-performance reverse osmosis (RO) membrane designed for efficient fil...

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Original price $70.25 - Original price $70.25
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$70.25
$70.25 - $70.25
Current price $70.25
Original price $4.99 - Original price $4.99
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$4.99
$4.99 - $4.99
Current price $4.99

The FW-4 Wrench can be use to loosen standard 2x12 membrane housings when changing membranes. This FW-4 wrench fits many Hydronix, Pentek, Culligan...

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Original price $4.99 - Original price $4.99
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$4.99
$4.99 - $4.99
Current price $4.99
Original price $67.50 - Original price $67.50
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$67.50
$67.50 - $67.50
Current price $67.50

The Hydronix IFM-110 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. The IFM-110 has ...

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Original price $67.50 - Original price $67.50
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$67.50
$67.50 - $67.50
Current price $67.50
Original price $131.65 - Original price $131.65
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$131.65
$131.65 - $131.65
Current price $131.65

Hydronix AFM 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 $131.65 - Original price $131.65
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$131.65
$131.65 - $131.65
Current price $131.65
Original price $14.25 - Original price $14.25
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$14.25
$14.25 - $14.25
Current price $14.25

The PG25160L 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 $14.25 - Original price $14.25
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$14.25
$14.25 - $14.25
Current price $14.25
Original price $100.00 - Original price $100.00
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$100.00
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Current price $100.00

Aquatrol - PMP-100GPD - 125PSI - Diaphragm Pump - 100 GPD Reverse Osmosis Booster Pump, 24v for 100 GPD Reverse Osmosis Water Filtration Systems. C...

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Original price $100.00 - Original price $100.00
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$100.00
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Current price $100.00
Original price $55.62 - Original price $55.62
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$55.62
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Current price $55.62

HYDRONIX AFM SERIES FLOWMETERS are of consistent quality with unparalleled endurance. Hydronix Utilizes their experience in Engineering and Injecti...

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Original price $55.62 - Original price $55.62
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$55.62
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Current price $55.62
Original price $54.51 - Original price $54.51
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$54.51
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Current price $54.51

HYDRONIX AFM SERIES FLOWMETERS are of consistent quality with unparalleled endurance. Hydronix Utilizes their experience in Engineering and Injecti...

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Original price $54.51 - Original price $54.51
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$54.51
$54.51 - $54.51
Current price $54.51
Original price $1.80 - Original price $1.80
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$1.80
$1.80 - $1.80
Current price $1.80

The Hydrofit 1/4" Tube x 1/8" NPTF Fixed Elbows are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the typic...

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Original price $1.80 - Original price $1.80
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$1.80
$1.80 - $1.80
Current price $1.80
Original price $7.16 - Original price $7.16
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$7.16
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Current price $7.16

The Hydrofit 1/4" Tube x 1/4" Tube Inline Ball Valves are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the...

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Original price $7.16 - Original price $7.16
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$7.16
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Current price $7.16
Original price $19.99 - Original price $19.99
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$19.99
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Current price $19.99

Hydronix End Cap for Hydronix SPV-4040-12, 4" with 1/2" Ports, Black. This Hydronix end cap is made from Glass Reinforced Polyamide O-rings preinst...

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Original price $19.99 - Original price $19.99
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$19.99
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Current price $19.99
Original price $199.99 - Original price $199.99
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$199.99
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Current price $199.99

The Hydronix SPV-4040-34 4" x 40" Stainless Steel Pressure Vessel is designed for use in commercial reverse osmosis, nanofiltration and ultrafiltra...

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Original price $199.99 - Original price $199.99
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$199.99
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Current price $199.99
Original price $21.99 - Original price $21.99
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$21.99
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Current price $21.99

(3 Pack) The Hydronix SDC-25-1001 is a 1-micron polypropylene sediment filter designed for universal compatibility with standard Reverse Osmosis, W...

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Original price $21.99 - Original price $21.99
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$21.99
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Current price $21.99
Original price $7.83 - Original price $7.83
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$7.83
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Current price $7.83

Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Original price $7.83 - Original price $7.83
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$7.83
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Current price $7.83
Original price $7.50 - Original price $7.50
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$7.50
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Current price $7.50

Hydronix ICF Series Inline Filters utilize NSF listed coconut shell GAC and are designed to remove unpleasant taste and odor and reduce sediment to...

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Original price $7.50 - Original price $7.50
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$7.50
$7.50 - $7.50
Current price $7.50
Original price $11.81 - Original price $11.81
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$11.81
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Current price $11.81

Hydronix ICF-2512Q Inline Filters with Quick Connect utilize NSF-listed coconut shell GAC and are designed to remove unpleasant taste and odor and ...

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Original price $11.81 - Original price $11.81
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$11.81
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Current price $11.81
Original price $19.99 - Original price $19.99
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$19.99
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Current price $19.99

This Hydronix ICF-10Q inline coconut filter has 1/4" quick-connect connections and is suitable for drinking water filtration applications. This NSF...

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Original price $19.99 - Original price $19.99
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$19.99
$19.99 - $19.99
Current price $19.99
Original price $18.49 - Original price $18.49
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$18.49
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Current price $18.49

The 5 Micron Smart Packs 2.5"x10" NSF Certified Sediment Premium Filters are a smart economical solution to pre-filtration for many applications. T...

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Original price $18.49 - Original price $18.49
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$18.49
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Current price $18.49
Original price $12.99 - Original price $12.99
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$12.99
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Current price $12.99

The Hydronix MH03-1812WH-QC Quick Connect Membrane Housings are manufactured with high-quality NSF approved material and will accommodate standard ...

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Original price $12.99 - Original price $12.99
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Current price $12.99
Original price $12.49 - Original price $12.49
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$12.49
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Current price $12.49

Shokblok Filter protection valves are designed for high pressure installations to protect reverse Osmosis systems, water filtration systems, ice ma...

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Original price $12.49 - Original price $12.49
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$12.49
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Current price $12.49
Original price $8.99 - Original price $8.99
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$8.99
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Current price $8.99

Hydronix ICF-6Q inline Coconut shell carbon filters have 1/4" quick-connect connections and are suitable for Drinking water filtration applications...

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Original price $8.99 - Original price $8.99
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$8.99
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Current price $8.99
Original price $16.00 - Original price $16.00
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$16.00
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Current price $16.00

1/4 Reverse Osmosis Leak Detector (Shut-Off Valve) The Flowlok leak detector is an innovative device installed right below your water filtration s...

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Original price $16.00 - Original price $16.00
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Current price $16.00
Original price $23.95 - Original price $23.95
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Current price $23.95

Hydronix empty cartridges can be used with carbon, resin, KDF or any other media. Made from high impact polystyrene to withstand continuous usage a...

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Original price $23.95 - Original price $23.95
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$23.95
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Current price $23.95
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