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Best Selling Water Filtration Products

Explore best-selling water filtration products chosen by customers for drinking water, whole-house treatment, replacement filtration, and system maintenance. Compare product type, capacity, dimensions, certifications, and compatibility to find proven options that fit your water quality goals and existing equipment.

Filters

Original price $12.99 - Original price $12.99
Original price
$12.99
$12.99 - $12.99
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
Original price
$12.99
$12.99 - $12.99
Current price $12.99
Original price $50.00 - Original price $50.00
Original price
$50.00
$50.00 - $50.00
Current price $50.00

Hydronix LF-EC32-BN ceramic faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-EC32-BN faucet...

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Original price $50.00 - Original price $50.00
Original price
$50.00
$50.00 - $50.00
Current price $50.00
Original price $35.94 - Original price $35.94
Original price
$35.94
$35.94 - $35.94
Current price $35.94

Your drinking water deserves precision filtration that you can trust. The Watts Premier Compatible 7-Pack 5-Stage RO Replacement Filter Kit provide...

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Original price $35.94 - Original price $35.94
Original price
$35.94
$35.94 - $35.94
Current price $35.94
Original price $1.80 - Original price $1.80
Original price
$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
Original price
$1.80
$1.80 - $1.80
Current price $1.80
Original price $2.59 - Original price $2.59
Original price
$2.59
$2.59 - $2.59
Current price $2.59

The Hydrofit HDF-UT04 1/4" Union Tee has Quick Connect ports for an easy push-in installation. Hydrofit Quick Connect Fittings are designed to prov...

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Original price $2.59 - Original price $2.59
Original price
$2.59
$2.59 - $2.59
Current price $2.59
Original price $199.99 - Original price $199.99
Original price
$199.99
$199.99 - $199.99
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
Original price
$199.99
$199.99 - $199.99
Current price $199.99
Original price $14.11 - Original price $14.11
Original price
$14.11
$14.11 - $14.11
Current price $14.11

Polaris Scientific QS10 Replacement Quartz Sleeve for the UVA-1C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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Original price $14.11 - Original price $14.11
Original price
$14.11
$14.11 - $14.11
Current price $14.11
Original price $23.74 - Original price $23.74
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$23.74
$23.74 - $23.74
Current price $23.74

Hydronix SMCB-2520 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...

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Original price $23.74 - Original price $23.74
Original price
$23.74
$23.74 - $23.74
Current price $23.74
Original price $2,289.92 - Original price $2,289.92
Original price
$2,289.92
$2,289.92 - $2,289.92
Current price $2,289.92

PRO+AQUA BNDL-WEL-RO ELITE – Complete Well Water Filtration, Softener & Reverse Osmosis System Transform your home's water quality with the PRO...

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Original price $2,289.92 - Original price $2,289.92
Original price
$2,289.92
$2,289.92 - $2,289.92
Current price $2,289.92
Original price $6.20 - Original price $6.20
Original price
$6.20
$6.20 - $6.20
Current price $6.20

The HDF-BVT0404 HYDROFIT Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick connect t fitting while...

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Original price $6.20 - Original price $6.20
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$6.20
$6.20 - $6.20
Current price $6.20
Original price $0.00 - Original price $0.00
Original price $0.00
$9.50
$9.50 - $9.50
Current price $9.50

This Aquatrol Fleck Compatible Adapter Coupling Set are used in Fleck or Aquatrol Valves

Original price $0.00 - Original price $0.00
Original price $0.00
$9.50
$9.50 - $9.50
Current price $9.50
Original price $124.10 - Original price $124.10
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$124.10
$124.10 - $124.10
Current price $124.10

The Hydronix SPC-45-2020 4.5" x 20" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior p...

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Original price $124.10 - Original price $124.10
Original price
$124.10
$124.10 - $124.10
Current price $124.10
Original price $69.00 - Original price $69.00
Original price
$69.00
$69.00 - $69.00
Current price $69.00

(3 Pack) Hydronix CB-45-1001/3 – 1 Micron Whole House & Hydroponics Carbon Block Water Filters (4.5" x 10") The Hydronix CB-45-1001/3 is a 3-pa...

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Original price $69.00 - Original price $69.00
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$69.00
$69.00 - $69.00
Current price $69.00
Original price $99.99 - Original price $99.99
Original price
$99.99
$99.99 - $99.99
Current price $99.99

Hydronix Whole House UDF-4520GACKDF2 4.5" x 20" Coconut GAC + 2LBS KDF, Big Blue size cartridge. This filter is made from coconut shell GAC in comb...

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Original price $99.99 - Original price $99.99
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$99.99
$99.99 - $99.99
Current price $99.99
Original price $9.00 - Original price $9.00
Original price
$9.00
$9.00 - $9.00
Current price $9.00

Hydronix SPC series 2.5" x 10" 20 micron polyester pleated cartridges are manufactured from durable polyester to provide a superior pleated Filter ...

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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 $115.50 - Original price $115.50
Original price
$115.50
$115.50 - $115.50
Current price $115.50

Polaris UVA-2C Whole House UV Ultraviolet Deactivator System 2 GPM with 9000 Hour Bulb. When Quality and Performance Matters, you can count on Pola...

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Original price $115.50 - Original price $115.50
Original price
$115.50
$115.50 - $115.50
Current price $115.50
Original price $26.47 - Original price $26.47
Original price
$26.47
$26.47 - $26.47
Current price $26.47

The Hydronix LF-BLRAG-BN long reach faucet is a brushed nickel faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLRAG-...

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Original price $26.47 - Original price $26.47
Original price
$26.47
$26.47 - $26.47
Current price $26.47
Original price $15.50 - Original price $15.50
Original price
$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
Original price
$15.50
$15.50 - $15.50
Current price $15.50
Original price $17.99 - Original price $17.99
Original price
$17.99
$17.99 - $17.99
Current price $17.99

Aquatrol P-18706 – 1" NPT Yoke Replacement for AQT-56 & Fleck Control Valves The Aquatrol P-18706 1" NPT Yoke is a high-strength, fiber-reinfor...

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Original price $17.99 - Original price $17.99
Original price
$17.99
$17.99 - $17.99
Current price $17.99
Original price $16.99 - Original price $16.99
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$16.99
$16.99 - $16.99
Current price $16.99

The FM-50W fits 3 10" or 20" housings. Fits Hydronix HF2, HF3, HF4 and All 10" and 20" Slim line housings as well as Flowmatic, Pentek, Watts, Liqu...

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Original price $16.99 - Original price $16.99
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$16.99
$16.99 - $16.99
Current price $16.99
Original price $12.30 - Original price $12.30
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$12.30
$12.30 - $12.30
Current price $12.30

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 $12.30 - Original price $12.30
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$12.30
$12.30 - $12.30
Current price $12.30
Original price $70.00 - Original price $70.00
Original price
$70.00
$70.00 - $70.00
Current price $70.00

This 20 pack of Hydronix SDC-25-1005 polypropylene sediment filter is a 5 micron rated filter. Its universal standard size fits any standard Revers...

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Original price $70.00 - Original price $70.00
Original price
$70.00
$70.00 - $70.00
Current price $70.00
Original price $40.24 - Original price $40.24
Original price
$40.24
$40.24 - $40.24
Current price $40.24

2 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...

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Original price $40.24 - Original price $40.24
Original price
$40.24
$40.24 - $40.24
Current price $40.24
Original price $25.70 - Original price $25.70
Original price
$25.70
$25.70 - $25.70
Current price $25.70

Hydron Saddle and Strap Kit for 4-inch RO membrane Pressure Vessel

Original price $25.70 - Original price $25.70
Original price
$25.70
$25.70 - $25.70
Current price $25.70
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