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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 $86.92 - Original price $86.92
Original price
$86.92
$86.92 - $86.92
Current price $86.92

Aquatrol AT-1044BL-25T 10 x 44 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

Original price $86.92 - Original price $86.92
Original price
$86.92
$86.92 - $86.92
Current price $86.92
Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95

Hydronix SWC-45-20-0.5 - 0.5 Micron Sediment String Wound Water Filter Cartridge (4.5" x 20") High-Performance Whole House & Commercial Sedimen...

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Original price $39.95 - Original price $39.95
Original price
$39.95
$39.95 - $39.95
Current price $39.95
Original price $112.89 - Original price $112.89
Original price
$112.89
$112.89 - $112.89
Current price $112.89

Polaris Scientific GLHO58PP – High Output 58W Ultraviolet Germicidal Lamp for UVA-630HO UV System The Polaris Scientific GLHO58PP is an OEM replace...

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Original price $112.89 - Original price $112.89
Original price
$112.89
$112.89 - $112.89
Current price $112.89
Original price $299.00 - Original price $299.00
Original price
$299.00
$299.00 - $299.00
Current price $299.00

Advanced digital valve for water softener systems up to 48,000 Grains or 1.5 CuFt of Media. This control valve features a meter-based counter for t...

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Original price $299.00 - Original price $299.00
Original price
$299.00
$299.00 - $299.00
Current price $299.00
Original price $4,459.95 - Original price $4,459.95
Original price
$4,459.95
$4,459.95 - $4,459.95
Current price $4,459.95

PRO+AQUA PRO-RO-IV 4000 GPD Commercial Reverse Osmosis System – Ultra-Pure RO Water for Hydroponics, Breweries & More The PRO+AQUA PRO-RO-IV 40...

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Original price $4,459.95 - Original price $4,459.95
Original price
$4,459.95
$4,459.95 - $4,459.95
Current price $4,459.95
Original price $10.81 - Original price $10.81
Original price
$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 $7.16 - Original price $7.16
Original price
$7.16
$7.16 - $7.16
Current price $7.16

The Hydrofit 1/4" Tube x 1/4" Tube Inline Ball Valves are designed for ease of use. Hydrofit Quick Connect Fittings are designed to provide all the...

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Original price $7.16 - Original price $7.16
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$7.16
$7.16 - $7.16
Current price $7.16
Original price $8.33 - Original price $8.33
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$8.33
$8.33 - $8.33
Current price $8.33

This two pack of Culligan P5 Compatible Sediment Filters will allow you to filter out sediment from your drinking water. This Culligan Compatible i...

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Original price $8.33 - Original price $8.33
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$8.33
$8.33 - $8.33
Current price $8.33
Original price $7.00 - Original price $7.00
Original price
$7.00
$7.00 - $7.00
Current price $7.00

Hydronix SWC-25-1001 polypropylene String wound filters have a particle retention Size of 1 Micron and are used in a residential and commercial wat...

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Original price $7.00 - Original price $7.00
Original price
$7.00
$7.00 - $7.00
Current price $7.00
Original price $12.93 - Original price $12.93
Original price
$12.93
$12.93 - $12.93
Current price $12.93

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 $12.93 - Original price $12.93
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$12.93
$12.93 - $12.93
Current price $12.93
Original price $8.31 - Original price $8.31
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$8.31
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Current price $8.31

Hydronix SGC-25-1005 filter cartridges are 2.5” dia x 9.875” L and are made of 100% pure polypropylene material. Hydronix SGC-25-1005 filters are d...

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Original price $8.31 - Original price $8.31
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$8.31
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Current price $8.31
Original price $10.50 - Original price $10.50
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$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
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$10.50
$10.50 - $10.50
Current price $10.50
Original price $149.95 - Original price $149.95
Original price
$149.95
$149.95 - $149.95
Current price $149.95

Designed to filter 99% of contaminants and provide 50 GPD of safe clean water, iFilters has introduced the best RO system in the market at a great ...

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Original price $149.95 - Original price $149.95
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$149.95
$149.95 - $149.95
Current price $149.95
Original price $40.04 - Original price $40.04
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$40.04
$40.04 - $40.04
Current price $40.04

Hydronix HF5-20BLBK34PR (with Pressure Relief Button) Blue Filter Housings are made to house 2.5" x 20” cartridges. Most 2.5" x 20” cartridges fit ...

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Original price $40.04 - Original price $40.04
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$40.04
$40.04 - $40.04
Current price $40.04
Original price $24.50 - Original price $24.50
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$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
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$24.50
$24.50 - $24.50
Current price $24.50
Original price $67.99 - Original price $67.99
Original price
$67.99
$67.99 - $67.99
Current price $67.99

iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron High-Performance Filtration for Clean, Great-Tasti...

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Original price $67.99 - Original price $67.99
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$67.99
$67.99 - $67.99
Current price $67.99
Original price $1.60 - Original price $1.60
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$1.60
$1.60 - $1.60
Current price $1.60

The Hydrofit NSF 1/2" Quick Connect x 1/2" MNPT Male Connector Adapter is NSF approved and are designed for ease of use. Hydrofit Quick Connect Fit...

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Original price $1.60 - Original price $1.60
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$1.60
$1.60 - $1.60
Current price $1.60
Original price $7.99 - Original price $7.99
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$7.99
$7.99 - $7.99
Current price $7.99

iFilters PT04-WH-5 – 5 ft. White 1/4" Polyethylene Tubing – Flexible, Durable & Chemical-Resistant 5ft NSF 1/4" POLYETHYLENE TUBE The iFilters ...

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Original price $7.99 - Original price $7.99
Original price
$7.99
$7.99 - $7.99
Current price $7.99
Original price $38.50 - Original price $38.50
Original price
$38.50
$38.50 - $38.50
Current price $38.50

Polaris Scientific UV-NUT-1 – Aluminum Long Nut for Polaris UV Systems The Polaris UV-NUT-1 is a high-quality OEM replacement long nut designed for...

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Original price $38.50 - Original price $38.50
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$38.50
$38.50 - $38.50
Current price $38.50
Original price $88.20 - Original price $88.20
Original price
$88.20
$88.20 - $88.20
Current price $88.20

The Pentek CRFC20-BB Radial Flow Carbon Filter is ideal for chloramine taste & odor reduction in POE (Point-of-Entry) and other high-flow rate ...

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Original price $88.20 - Original price $88.20
Original price
$88.20
$88.20 - $88.20
Current price $88.20
Original price $23.00 - Original price $23.00
Original price
$23.00
$23.00 - $23.00
Current price $23.00

Hydronix CB-25-2001 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. CB-25-2001 filters have a particle ...

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Original price $23.00 - Original price $23.00
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$23.00
$23.00 - $23.00
Current price $23.00
Original price $45.99 - Original price $45.99
Original price
$45.99
$45.99 - $45.99
Current price $45.99

Not just a Chlorine filter, the iFilters IF-SF-WH Dechlorinating Shower Filter reduces the harmful effects of chlorine, lead, mercury and other con...

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Original price $45.99 - Original price $45.99
Original price
$45.99
$45.99 - $45.99
Current price $45.99
Original price $11.95 - Original price $11.95
Original price
$11.95
$11.95 - $11.95
Current price $11.95

Replacement for GE FXWSC Sediment Filter (2-Pack) We are offering an alternative product at a reduced price to the original GE FXWSC sediment filte...

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Original price $11.95 - Original price $11.95
Original price
$11.95
$11.95 - $11.95
Current price $11.95
Original price $10.00 - Original price $10.00
Original price
$10.00
$10.00 - $10.00
Current price $10.00

Hydronix ISF-10 inline sediment filters have 1/4" NPT connections and are suitable for Drinking water filtration applications. The internal polypro...

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Original price $10.00 - Original price $10.00
Original price
$10.00
$10.00 - $10.00
Current price $10.00
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