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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 $44.50 - Original price $44.50
Original price
$44.50
$44.50 - $44.50
Current price $44.50

Hydronix PFM-210 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 $44.50 - Original price $44.50
Original price
$44.50
$44.50 - $44.50
Current price $44.50
Original price $40.99 - Original price $40.99
Original price
$40.99
$40.99 - $40.99
Current price $40.99

Convert any standard water filtration unit into an Alkaline Drinking Water System with the PRO+AQUA FC-10-ALK Multi-Stage Alkaline Drinking Water F...

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Original price $40.99 - Original price $40.99
Original price
$40.99
$40.99 - $40.99
Current price $40.99
Original price $0.00 - Original price $0.00
Original price $0.00
$1.42
$1.42 - $1.42
Current price $1.42

The Hydrofit NSF 3/8" Tube x 1/4" NPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fittings are ...

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Original price $0.00 - Original price $0.00
Original price $0.00
$1.42
$1.42 - $1.42
Current price $1.42
Original price $20.95 - Original price $20.95
Original price
$20.95
$20.95 - $20.95
Current price $20.95

Hydronix SDC-45-2005 polypropylene sediment filters have a particle retention size of 5 micron and is used in a residential and comercial water fil...

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Original price $20.95 - Original price $20.95
Original price
$20.95
$20.95 - $20.95
Current price $20.95
Original price $12.00 - Original price $12.00
Original price
$12.00
$12.00 - $12.00
Current price $12.00

Hydronix SDC-45-1001 polypropylene sediment filters have a particle retention Size of 1 Micron and is used in a residential and commercial water fi...

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Original price $12.00 - Original price $12.00
Original price
$12.00
$12.00 - $12.00
Current price $12.00
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" 10 micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleate...

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Original price $9.00 - Original price $9.00
Original price
$9.00
$9.00 - $9.00
Current price $9.00
Original price $99.95 - Original price $99.95
Original price
$99.95
$99.95 - $99.95
Current price $99.95

The iFilters MWHSD 10" Clear Heavy Duty Whole House Water Filter System comes complete with a high capacity string wound sediment filter and featur...

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Original price $99.95 - Original price $99.95
Original price
$99.95
$99.95 - $99.95
Current price $99.95
Original price $44.78 - Original price $44.78
Original price
$44.78
$44.78 - $44.78
Current price $44.78

Hydronix HF5-20CLBK34PR (with Pressure Relief Button) Clear Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit...

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Original price $44.78 - Original price $44.78
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$44.78
$44.78 - $44.78
Current price $44.78
Original price $8.37 - Original price $8.37
Original price
$8.37
$8.37 - $8.37
Current price $8.37

Hydronix SDC-25-2001 polypropylene sediment filters have a particle retention Size of 1 Micron and are used in residential and commercial water fil...

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Original price $8.37 - Original price $8.37
Original price
$8.37
$8.37 - $8.37
Current price $8.37
Original price $24.99 - Original price $24.99
Original price
$24.99
$24.99 - $24.99
Current price $24.99

The Smart Pack Pre & Post Carbon Block RO Replacement Set is built to keep your reverse osmosis system doing what it does best: providing clean...

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Original price $24.99 - Original price $24.99
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$24.99
$24.99 - $24.99
Current price $24.99
Original price $77.00 - Original price $77.00
Original price
$77.00
$77.00 - $77.00
Current price $77.00

The PT06-WH-0500 White Polyethylene tubing is manufactured from top quality, low density materials. The PT06-WH-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 $249.99 - Original price $249.99
Original price
$249.99
$249.99 - $249.99
Current price $249.99

Designed to filter 99% of contaminants and provide 100 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great...

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Original price $249.99 - Original price $249.99
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$249.99
$249.99 - $249.99
Current price $249.99
Original price $10.81 - Original price $10.81
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$10.81
$10.81 - $10.81
Current price $10.81

This 3/8" Quick Connect Hydronix ISF Series Inline Sediment Filters are designed to reduce sand, particles and sediment to produce cleaner, clearer...

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Original price $10.81 - Original price $10.81
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$10.81
$10.81 - $10.81
Current price $10.81
Original price $139.99 - Original price $139.99
Original price
$139.99
$139.99 - $139.99
Current price $139.99

The iFilters MWHSD20 20" Clear Heavy Duty Whole House Water Filter System comes complete with a 5 micron high capacity string wound sediment filter...

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Original price $139.99 - Original price $139.99
Original price
$139.99
$139.99 - $139.99
Current price $139.99
Original price $275.00 - Original price $275.00
Original price
$275.00
$275.00 - $275.00
Current price $275.00

Polaris UVA-8C Whole House UV Ultraviolet Deactivator System 8 GPM with 9000 Hour Bulb. The perfect addition for home filtration systems needing ad...

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Original price $275.00 - Original price $275.00
Original price
$275.00
$275.00 - $275.00
Current price $275.00
Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00

Polaris UVA-4C Whole House UV Ultraviolet Deactivator System 4 GPM with 9000 Hour Bulb. This Polaris UV system Meets Food, Medical and Lab Requirem...

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Original price $199.00 - Original price $199.00
Original price
$199.00
$199.00 - $199.00
Current price $199.00
Original price $12.49 - Original price $12.49
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$12.49
$12.49 - $12.49
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
Original price
$12.49
$12.49 - $12.49
Current price $12.49
Original price $0.00 - Original price $0.00
Original price $0.00
$249.99
$249.99 - $249.99
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
Original price $0.00
$249.99
$249.99 - $249.99
Current price $249.99
Original price $21.04 - Original price $21.04
Original price
$21.04
$21.04 - $21.04
Current price $21.04

Hydronix SDC-45-2020 polypropylene sediment filters have a particle retention Size of 20 micron and is used in a residential and commercial water f...

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Original price $21.04 - Original price $21.04
Original price
$21.04
$21.04 - $21.04
Current price $21.04
Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00

Polaris Scientific GL32SE4P – 32W UV Germicidal Replacement Lamp for UV-8C Systems The Polaris Scientific GL32SE4P is a high-performance ultraviole...

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Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00
Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00

The Hydronix SWC-45-2020 polypropylene String wound filters have a particle retention Size of 20 micron and are used in a residential and commercia...

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Original price $28.00 - Original price $28.00
Original price
$28.00
$28.00 - $28.00
Current price $28.00
Original price $1.10 - Original price $1.10
Original price
$1.10
$1.10 - $1.10
Current price $1.10

Hydronix EC-GASKET – Replacement Gasket for EC Series Empty Reusable Filter Shells The Hydronix EC-GASKET is a high-quality Buna-N replacement gask...

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Original price $1.10 - Original price $1.10
Original price
$1.10
$1.10 - $1.10
Current price $1.10
Original price $22.00 - Original price $22.00
Original price
$22.00
$22.00 - $22.00
Current price $22.00

Hydronix SDC-45-2001 polypropylene sediment filters have a particle retention Size of 1 Micron and is used in a residential and commercial water fi...

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Original price $22.00 - Original price $22.00
Original price
$22.00
$22.00 - $22.00
Current price $22.00
Original price $10.99 - Original price $10.99
Original price
$10.99
$10.99 - $10.99
Current price $10.99

The Hydronix CB-25-1010 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
Original price
$10.99
$10.99 - $10.99
Current price $10.99
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