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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 $829.99 - Original price $829.99
Original price
$829.99
$829.99 - $829.99
Current price $829.99

iFilters AS-HS64D-RO50 Whole House Water Softener & Reverse Osmosis System – Complete Filtration for Larger Homes Experience comprehensive home...

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Original price $829.99 - Original price $829.99
Original price
$829.99
$829.99 - $829.99
Current price $829.99
Original price $111.50 - Original price $111.50
Original price
$111.50
$111.50 - $111.50
Current price $111.50

Everpure OW200L EV9619-01 replacement cartridge reduces chlorine taste and odor and other health contaminants such as lead, scale, total dissolved ...

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Original price $111.50 - Original price $111.50
Original price
$111.50
$111.50 - $111.50
Current price $111.50
Original price $17.64 - Original price $17.64
Original price
$17.64
$17.64 - $17.64
Current price $17.64

The Pentek RFC-93 Radial Flow GAC Filter Cartridge offers sediment filtration and reduces carbon fines found in filtered water. This Granular Activ...

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Original price $17.64 - Original price $17.64
Original price
$17.64
$17.64 - $17.64
Current price $17.64
Original price $24.49 - Original price $24.49
Original price
$24.49
$24.49 - $24.49
Current price $24.49

The Pentek GD-5010-20BB 20" Big Blue Filter Cartridge has two unique layers that holds up to 3 times more dirt than pleated, string-wound and stand...

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Original price $24.49 - Original price $24.49
Original price
$24.49
$24.49 - $24.49
Current price $24.49
Original price $180.73 - Original price $180.73
Original price
$180.73
$180.73 - $180.73
Current price $180.73

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 $180.73 - Original price $180.73
Original price
$180.73
$180.73 - $180.73
Current price $180.73
Original price $180.73 - Original price $180.73
Original price
$180.73
$180.73 - $180.73
Current price $180.73

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 $180.73 - Original price $180.73
Original price
$180.73
$180.73 - $180.73
Current price $180.73
Original price $6.99 - Original price $6.99
Original price
$6.99
$6.99 - $6.99
Current price $6.99

Hydronix Rib Cap for HF3 Housings with 1/4" female NPT ports.

Original price $6.99 - Original price $6.99
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$6.99
$6.99 - $6.99
Current price $6.99
Original price $54.99 - Original price $54.99
Original price
$54.99
$54.99 - $54.99
Current price $54.99

The Everpure Activated Carbon Water Filter Cartridge helps reduce waterborne contaminants, such as asbestos fibers, but does not remove fluoride. A...

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Original price $54.99 - Original price $54.99
Original price
$54.99
$54.99 - $54.99
Current price $54.99
Original price $132.00 - Original price $132.00
Original price
$132.00
$132.00 - $132.00
Current price $132.00

The Everpure ESO 6 3-Stage Blending Cartridge EV9607-10 is a replacement water filter cartridge with three unique stages that provides softened, bu...

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Original price $132.00 - Original price $132.00
Original price
$132.00
$132.00 - $132.00
Current price $132.00
Original price $21.04 - Original price $21.04
Original price
$21.04
$21.04 - $21.04
Current price $21.04

Hydronix SDC-45-2050 polypropylene sediment filters have a particle retention Size of 50 microns and are used in 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 $17.73 - Original price $17.73
Original price
$17.73
$17.73 - $17.73
Current price $17.73

The Hydronix SWC-45-1001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial...

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Original price $17.73 - Original price $17.73
Original price
$17.73
$17.73 - $17.73
Current price $17.73
Original price $17.50 - Original price $17.50
Original price
$17.50
$17.50 - $17.50
Current price $17.50

The Hydronix SWC-45-1030 polypropylene String wound filters have a particle retention Size of 30 micron and are used in a residential and commercia...

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Original price $17.50 - Original price $17.50
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$17.50
$17.50 - $17.50
Current price $17.50
Original price $12.66 - Original price $12.66
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$12.66
$12.66 - $12.66
Current price $12.66

The Hydronix SWC-25-2010 polypropylene String wound filters have a particle retention Size of 10 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 $98.95 - Original price $98.95
Original price
$98.95
$98.95 - $98.95
Current price $98.95

The Hydronix HF45-20CLBK34 (Note: Picture shows PR version, this one does not include the PR button) 20" Clear Filter Housing is an extra-wide hous...

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Original price $98.95 - Original price $98.95
Original price
$98.95
$98.95 - $98.95
Current price $98.95
Original price $22.68 - Original price $22.68
Original price
$22.68
$22.68 - $22.68
Current price $22.68

Hydronix HF5-10BLBK34 Filter Housings are made to house 2.5" x 10” cartridges. Most 2.5" x 10” cartridges fit easily. Ideal for typical application...

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Original price $22.68 - Original price $22.68
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$22.68
$22.68 - $22.68
Current price $22.68
Original price $19.44 - Original price $19.44
Original price
$19.44
$19.44 - $19.44
Current price $19.44

Hydronix SDC-25-4010 polypropylene sediment filters have a particle retention Size of 10 micron and is used in a residential and commercial water f...

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Original price $19.44 - Original price $19.44
Original price
$19.44
$19.44 - $19.44
Current price $19.44
Original price $699.00 - Original price $699.00
Original price
$699.00
$699.00 - $699.00
Current price $699.00

iFilters 300 Gallons per Day (GPD) Light Commercial Reverse Osmosis Water Filtration System with a free-standing frame and bracket. Includes all NS...

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Original price $699.00 - Original price $699.00
Original price
$699.00
$699.00 - $699.00
Current price $699.00
Original price $17.74 - Original price $17.74
Original price
$17.74
$17.74 - $17.74
Current price $17.74

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 $17.74 - Original price $17.74
Original price
$17.74
$17.74 - $17.74
Current price $17.74
Original price $24.50 - Original price $24.50
Original price
$24.50
$24.50 - $24.50
Current price $24.50

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 $24.50 - Original price $24.50
Original price
$24.50
$24.50 - $24.50
Current price $24.50
Original price $27.99 - Original price $27.99
Original price
$27.99
$27.99 - $27.99
Current price $27.99

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 $27.99 - Original price $27.99
Original price
$27.99
$27.99 - $27.99
Current price $27.99
Original price $17.74 - Original price $17.74
Original price
$17.74
$17.74 - $17.74
Current price $17.74

Hydronix HF3 series Slim Rib cap Filter housings are ideal for Typical applications such as pre- and post-filtration for ro systems, under sink fil...

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Original price $17.74 - Original price $17.74
Original price
$17.74
$17.74 - $17.74
Current price $17.74
Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00

Hydroguard Stage-4 Quick-Twist Alkaline Filter

Original price $75.00 - Original price $75.00
Original price
$75.00
$75.00 - $75.00
Current price $75.00
Original price $70.25 - Original price $70.25
Original price
$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
Original price
$70.25
$70.25 - $70.25
Current price $70.25
Original price $809.99 - Original price $809.99
Original price
$809.99
$809.99 - $809.99
Current price $809.99

Overview The Aquasure Harmony Series 64,000 Grains Whole House Water Softener with Triple Purpose Sediment/Carbon/Zinc Pre-Filter System (AS-HS64SC...

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Original price $809.99 - Original price $809.99
Original price
$809.99
$809.99 - $809.99
Current price $809.99
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