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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 $739.99 - Original price $739.99
Original price
$739.99
$739.99 - $739.99
Current price $739.99

iFilters AS-HS48D-RO50 Complete Filtration Package – Whole House Softener & Reverse Osmosis System The iFilters AS-HS48D-RO50 Complete Filtrati...

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Original price $739.99 - Original price $739.99
Original price
$739.99
$739.99 - $739.99
Current price $739.99
Original price $11.75 - Original price $11.75
Original price
$11.75
$11.75 - $11.75
Current price $11.75

Omnipure K5540-JJ Inline Water Filter is an acid washed coconut shell granular activated carbon water filter designed to reduce chlorine taste and ...

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Original price $11.75 - Original price $11.75
Original price
$11.75
$11.75 - $11.75
Current price $11.75
Original price $11.71 - Original price $11.71
Original price
$11.71
$11.71 - $11.71
Current price $11.71

Omnipure K2540-JJ Inline Water Filter is a coconut shell granular activated carbon water filter which reduces the bad taste and odor of chlorine al...

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Original price $11.71 - Original price $11.71
Original price
$11.71
$11.71 - $11.71
Current price $11.71
Original price $189.77 - Original price $189.77
Original price
$189.77
$189.77 - $189.77
Current price $189.77

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute rated filters. Made from 100% pure Polypropylene. HydroScientific A...

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Original price $189.77 - Original price $189.77
Original price
$189.77
$189.77 - $189.77
Current price $189.77
Original price $66.42 - Original price $66.42
Original price
$66.42
$66.42 - $66.42
Current price $66.42

HydroScientific AR Series Absolute Rated Pleated Filters are Beta 5000 Absolute-rated filters. Made from 100% pure Polypropylene HydroScientific AR...

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Original price $66.42 - Original price $66.42
Original price
$66.42
$66.42 - $66.42
Current price $66.42
Original price $2.33 - Original price $2.33
Original price
$2.33
$2.33 - $2.33
Current price $2.33

Replacement PR Button Kit for the Hydronix HF45 filters. Made from durable materials for durability. This replacement PR Button Kit comes with all ...

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Original price $2.33 - Original price $2.33
Original price
$2.33
$2.33 - $2.33
Current price $2.33
Original price $6.81 - Original price $6.81
Original price
$6.81
$6.81 - $6.81
Current price $6.81

Hydronix SBC Series Sediment Bonded Depth Cartridges are specially designed thermally bonded Polypropylene filters that provide superior filtration...

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Original price $6.81 - Original price $6.81
Original price
$6.81
$6.81 - $6.81
Current price $6.81
Original price $54.69 - Original price $54.69
Original price
$54.69
$54.69 - $54.69
Current price $54.69

(2 Pack) Aqua-Pure AP1001 Compatible Filter Cartridge – 1 Micron Sediment Filtration The Aqua-Pure AP1001 Compatible Filter Cartridge (2-Pack) is a...

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Original price $54.69 - Original price $54.69
Original price
$54.69
$54.69 - $54.69
Current price $54.69
Original price $18.61 - Original price $18.61
Original price
$18.61
$18.61 - $18.61
Current price $18.61

The 3M Aquapure Compatible Fit Hot Water Filter / Cold Water Filter (AP2005-2, SGC-25-2005) is a Compatible Fit replacement water filter cartridge ...

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Original price $18.61 - Original price $18.61
Original price
$18.61
$18.61 - $18.61
Current price $18.61
Original price $19.52 - Original price $19.52
Original price
$19.52
$19.52 - $19.52
Current price $19.52

Hydronix SPC series 2.5" x 20" 1 Micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated...

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Original price $19.52 - Original price $19.52
Original price
$19.52
$19.52 - $19.52
Current price $19.52
Original price $16.34 - Original price $16.34
Original price
$16.34
$16.34 - $16.34
Current price $16.34

Hydronix HF3 Series Slim Rib Cap Filter Housings are available in a variety of colors and are made to house 2.5" diameter cartridges. Most 2.5" x 5...

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Original price $16.34 - Original price $16.34
Original price
$16.34
$16.34 - $16.34
Current price $16.34
Original price $12.66 - Original price $12.66
Original price
$12.66
$12.66 - $12.66
Current price $12.66

The Hydronix SWC-25-2050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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Original price $12.66 - Original price $12.66
Original price
$12.66
$12.66 - $12.66
Current price $12.66
Original price $11.86 - Original price $11.86
Original price
$11.86
$11.86 - $11.86
Current price $11.86

Hydronix SBC-25-2005 polypropylene sediment bonded depth filters have a particle retention Size of 5 micron and are used in a residential and comme...

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Original price $11.86 - Original price $11.86
Original price
$11.86
$11.86 - $11.86
Current price $11.86
Original price $9.28 - Original price $9.28
Original price
$9.28
$9.28 - $9.28
Current price $9.28

Hydronix SBC-25-2001 polypropylene sediment bonded depth filters have a particle retention size of 1 Micron and are used in residential and commerc...

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Original price $9.28 - Original price $9.28
Original price
$9.28
$9.28 - $9.28
Current price $9.28
Original price $9.58 - Original price $9.58
Original price
$9.58
$9.58 - $9.58
Current price $9.58

Hydronix SBC-25-1005 polypropylene sediment bonded depth filters have a particle retention size of 5 microns and are used in residential and commer...

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Original price $9.58 - Original price $9.58
Original price
$9.58
$9.58 - $9.58
Current price $9.58
Original price $17.23 - Original price $17.23
Original price
$17.23
$17.23 - $17.23
Current price $17.23

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for RO systems, under sink filters...

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Original price $17.23 - Original price $17.23
Original price
$17.23
$17.23 - $17.23
Current price $17.23
Original price $10.50 - Original price $10.50
Original price
$10.50
$10.50 - $10.50
Current price $10.50

Significantly enhance the life of your RO Membrane with the NSF iFilters Flush Valve. This flush valve provides a bypass to purge contaminates in t...

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Original price $10.50 - Original price $10.50
Original price
$10.50
$10.50 - $10.50
Current price $10.50
Original price $40.42 - Original price $40.42
Original price
$40.42
$40.42 - $40.42
Current price $40.42

The Hydronix HF45-10BLBK15 filter housing accepts 10 x 4.5-inch filters and is ideal for use in residential, commercial, and light industrial appli...

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Original price $40.42 - Original price $40.42
Original price
$40.42
$40.42 - $40.42
Current price $40.42
Original price $16.34 - Original price $16.34
Original price
$16.34
$16.34 - $16.34
Current price $16.34

Hydronix HF2 series Slim flat cap Filter housings are ideal for Typical applications as pre- and post-filtration for ro systems, under sink filters...

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Original price $16.34 - Original price $16.34
Original price
$16.34
$16.34 - $16.34
Current price $16.34
Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50
Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50
Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50
Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50

Hydronix HF3 series Slim Rib cap Filter housings have pressure Relief (PR) buttons and are ideal for Typical applications such as pre- and post-fil...

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Original price $23.50 - Original price $23.50
Original price
$23.50
$23.50 - $23.50
Current price $23.50
Original price $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00

Original price $430.00 - Original price $430.00
Original price
$430.00
$430.00 - $430.00
Current price $430.00
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