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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 $16.00 - Original price $16.00
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$16.00
$16.00 - $16.00
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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$16.00
$16.00 - $16.00
Current price $16.00
Original price $15.50 - Original price $15.50
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$15.50
$15.50 - $15.50
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
$15.50 - $15.50
Current price $15.50
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 $55.62 - Original price $55.62
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$55.62
$55.62 - $55.62
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
$55.62 - $55.62
Current price $55.62
Original price $7.23 - Original price $7.23
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$7.23
$7.23 - $7.23
Current price $7.23

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 $7.23 - Original price $7.23
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$7.23
$7.23 - $7.23
Current price $7.23
Original price $70.50 - Original price $70.50
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$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
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$70.50
$70.50 - $70.50
Current price $70.50
Original price $29.50 - Original price $29.50
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$29.50
$29.50 - $29.50
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 $6.38 - Original price $6.38
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$6.38
$6.38 - $6.38
Current price $6.38

The HDF-BVT0604 HYDROFIT™ Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick connect t fitting whil...

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Original price $6.38 - Original price $6.38
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$6.38
$6.38 - $6.38
Current price $6.38
Original price $29.00 - Original price $29.00
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$29.00
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Current price $29.00

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 $29.00 - Original price $29.00
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$29.00
$29.00 - $29.00
Current price $29.00
Original price $30.25 - Original price $30.25
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$30.25
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Current price $30.25

Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...

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Original price $30.25 - Original price $30.25
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$30.25
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Current price $30.25
Original price $13.37 - Original price $13.37
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$13.37
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Current price $13.37

Hydronix SPC series 2.5" x 20" 5 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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Original price $13.37 - Original price $13.37
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$13.37
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Current price $13.37
Original price $10.99 - Original price $10.99
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$10.99
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Current price $10.99

The Hydronix CB-25-1001 NSF Certified Carbon Block water filter is manufactured with high purity coconut shell carbon and is available in a wide ra...

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Original price $10.99 - Original price $10.99
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$10.99
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Current price $10.99
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 $280.00 - Original price $280.00
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$280.00
$280.00 - $280.00
Current price $280.00

Hydron HLE-4040 Commercial Reverse Osmosis Membrane elements produce 2800 gallons per day with 98.0% rejection. Designed for commercial use. The HL...

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Original price $280.00 - Original price $280.00
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$280.00
$280.00 - $280.00
Current price $280.00
Original price $67.50 - Original price $67.50
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$67.50
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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
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Current price $67.50
Original price $1.57 - Original price $1.57
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$1.57
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Current price $1.57

Replacement O-Ring for the Hydronix MH03 Membrane Housings. Made from durable EPDM material. This O-Ring is for the housing unit and not the Cap. F...

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Original price $1.57 - Original price $1.57
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$1.57
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Current price $1.57
Original price $32.97 - Original price $32.97
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$32.97
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Current price $32.97

The Hydronix IFM-055 Inline Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. The IFM-055 has ...

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Original price $32.97 - Original price $32.97
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$32.97
$32.97 - $32.97
Current price $32.97
Original price $11.00 - Original price $11.00
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$11.00
$11.00 - $11.00
Current price $11.00

The Hydronix SDC-25-0501 2 pack polypropylene sediment filter has a particle retention size of 1 Micron and is used in a small water filtration sys...

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Original price $11.00 - Original price $11.00
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$11.00
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Current price $11.00
Original price $19.50 - Original price $19.50
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$19.50
$19.50 - $19.50
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 $74.00 - Original price $74.00
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$74.00
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Current price $74.00

3 - 4 Year (21 filters) supply of RO Reverse Osmosis Filters. All filters are Premium NSF Certified Hydronix. This universal set s compatible with ...

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Original price $74.00 - Original price $74.00
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$74.00
$74.00 - $74.00
Current price $74.00
Original price $14.40 - Original price $14.40
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$14.40
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Current price $14.40

Replacement drain line for water softeners and filtration systems. Compatible with most systems using standard 1/2" Quick Connect (push-in) port.

Original price $14.40 - Original price $14.40
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Current price $14.40
Original price $5.44 - Original price $5.44
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$5.44
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Current price $5.44

The Hydrofit 3/8" Inline Check Valve is NSF to NSF/ANSI certified Hydrofit Quick Connect Fittings are designed to provide all the typical benefits ...

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Original price $5.44 - Original price $5.44
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$5.44
$5.44 - $5.44
Current price $5.44
Original price $18.99 - Original price $18.99
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$18.99
$18.99 - $18.99
Current price $18.99

Hydronix PMP-TSO14 RO Tank Pressure Shut-Off Switch for Reverse Osmosis Booster Pump, 1/4" Quick Connect The Hydronix PMP-TSO14 is a high-quality p...

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Original price $18.99 - Original price $18.99
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$18.99
$18.99 - $18.99
Current price $18.99
Original price $1.21 - Original price $1.21
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$1.21
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Current price $1.21

HDF-FF04 1/4" Tube x 7/16" - 24 UNS Faucet Fitting

Original price $1.21 - Original price $1.21
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$1.21
$1.21 - $1.21
Current price $1.21
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