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

The Hydrofit NSF 3/8" Tube x 3/8" 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 $1.60 - Original price $1.60
Original price
$1.60
$1.60 - $1.60
Current price $1.60
Original price $250.95 - Original price $250.95
Original price
$250.95
$250.95 - $250.95
Current price $250.95

Elevate your home's water quality with the PRO+AQUA PRO-SCI Single Stage Carbon Infused Whole House Filtration System. Safeguard your family from t...

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Original price $250.95 - Original price $250.95
Original price
$250.95
$250.95 - $250.95
Current price $250.95
Original price $69.00 - Original price $69.00
Original price
$69.00
$69.00 - $69.00
Current price $69.00

The Pro+Aqua MED-DI-3/2 offers 6 Liters (2 x 3 Liter bags) of mixed bed deionization (DI) resin media and is ideal for Aquariums as well as a spot-...

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Original price $69.00 - Original price $69.00
Original price
$69.00
$69.00 - $69.00
Current price $69.00
Original price $1.99 - Original price $1.99
Original price
$1.99
$1.99 - $1.99
Current price $1.99

3/8" In/Out Female Quick Connect Elbow. These Quick Connect Fittings are designed to provide all the typical benefits and ease of use of a quick co...

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Original price $1.99 - Original price $1.99
Original price
$1.99
$1.99 - $1.99
Current price $1.99
Original price $255.00 - Original price $255.00
Original price
$255.00
$255.00 - $255.00
Current price $255.00

This 4.5" x 20" Alkaline cartridge is used to increase pH and neutralize the acidity of low-mineral water. This alkaline filter will improve the ov...

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Original price $255.00 - Original price $255.00
Original price
$255.00
$255.00 - $255.00
Current price $255.00
Original price $23.36 - Original price $23.36
Original price
$23.36
$23.36 - $23.36
Current price $23.36

Polaris Scientific GL17SE4P – 17W UV Germicidal Replacement Lamp for UV-4C Systems The Polaris Scientific GL17SE4P is a high-performance ultraviole...

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Original price $23.36 - Original price $23.36
Original price
$23.36
$23.36 - $23.36
Current price $23.36
Original price $9.79 - Original price $9.79
Original price
$9.79
$9.79 - $9.79
Current price $9.79

The Pentek 555465-43 is a 100% spun polypropylene filter for your 10" housing. Also known as the Pentek GD-7520-BB, this filter measures 10" in len...

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Original price $9.79 - Original price $9.79
Original price
$9.79
$9.79 - $9.79
Current price $9.79
Original price $22.00 - Original price $22.00
Original price
$22.00
$22.00 - $22.00
Current price $22.00

Hydronix LF-BLR long REACH faucet is a chrome plated faucet that can be used in reverse Osmosis and Drinking water systems. The LF-BLR faucet featu...

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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 $12.56 - Original price $12.56
Original price
$12.56
$12.56 - $12.56
Current price $12.56

Hydronix SPC-45-1030 is the alternative compatible to the R30-BB and the RSA pleated filters. The SPC-45-1030 4.5" x 10" 30-micron polyester pleate...

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Original price $12.56 - Original price $12.56
Original price
$12.56
$12.56 - $12.56
Current price $12.56
Original price $23.23 - Original price $23.23
Original price
$23.23
$23.23 - $23.23
Current price $23.23

Polaris Scientific QS24 Replacement Quartz Sleeve for the UVA-6C Ultraviolet UV System. Natural quartz sleeve to protect the lamp and allow the max...

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Original price $23.23 - Original price $23.23
Original price
$23.23
$23.23 - $23.23
Current price $23.23
Original price $17.00 - Original price $17.00
Original price
$17.00
$17.00 - $17.00
Current price $17.00

The Hydronix SDP-2510 radial flow carbon Filter are 10 inch x 2.5 inch dual purpose filters. They filter down to 25 microns and are perfect for com...

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Original price $17.00 - Original price $17.00
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$17.00
$17.00 - $17.00
Current price $17.00
Original price $12.08 - Original price $12.08
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$12.08
$12.08 - $12.08
Current price $12.08

Hydro Guard HDG-P117 Universal GAC Water Filter Cartridge – Compatible with AP117 The Hydro Guard HDG-P117 Granular Activated Carbon (GAC) Water Fi...

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Original price $12.08 - Original price $12.08
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$12.08
$12.08 - $12.08
Current price $12.08
Original price $6.00 - Original price $6.00
Original price
$6.00
$6.00 - $6.00
Current price $6.00

Hydro Guard HDG-SED-AC5 5-Micron Sediment Filter – Compatible with Culligan AC15 & AC30 Systems The Hydro Guard HDG-SED-AC5 Sediment Filter Car...

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Original price $6.00 - Original price $6.00
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$6.00
$6.00 - $6.00
Current price $6.00
Original price $23.68 - Original price $23.68
Original price
$23.68
$23.68 - $23.68
Current price $23.68

This Culligan Compatible Smart Pack IFC-AC10-2PK contains 2 Carbon block filters (1 year supply). The IFC-AC10-2PK Carbon Filter is a pre- and post...

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Original price $23.68 - Original price $23.68
Original price
$23.68
$23.68 - $23.68
Current price $23.68
Original price $19.25 - Original price $19.25
Original price
$19.25
$19.25 - $19.25
Current price $19.25

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 $19.25 - Original price $19.25
Original price
$19.25
$19.25 - $19.25
Current price $19.25
Original price $17.86 - Original price $17.86
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$17.86
$17.86 - $17.86
Current price $17.86

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 $17.86 - Original price $17.86
Original price
$17.86
$17.86 - $17.86
Current price $17.86
Original price $27.66 - Original price $27.66
Original price
$27.66
$27.66 - $27.66
Current price $27.66

HYDRONIX SEDIMENT PHOSPHATE FILTERSize: 2.5" x 20"Type: Dual-action filter for sediment and phosphate reductionIncluded: Original packaging box The...

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Original price $27.66 - Original price $27.66
Original price
$27.66
$27.66 - $27.66
Current price $27.66
Original price $322.99
Original price $322.99 - Original price $322.99
Original price $322.99
Current price $211.35
$211.35 - $211.35
Current price $211.35

The HYDRONIX SPV-4061 is a high-performance 4-inch x 61-inch stainless steel pressure vessel designed for reverse osmosis (RO) systems. Built to wi...

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Original price $322.99
Original price $322.99 - Original price $322.99
Original price $322.99
Current price $211.35
$211.35 - $211.35
Current price $211.35
Sale Sale
Original price $5.99 - Original price $5.99
Original price
$5.99
$5.99 - $5.99
Current price $5.99

Original price $5.99 - Original price $5.99
Original price
$5.99
$5.99 - $5.99
Current price $5.99
Original price $0.00 - Original price $0.00
Original price $0.00
$290.75
$290.75 - $290.75
Current price $290.75

Aquatrol AT-1465BK-25T 14 x 65 Pg Pressure Tank - 2.5” T Connection, Standard Base, Black

Original price $0.00 - Original price $0.00
Original price $0.00
$290.75
$290.75 - $290.75
Current price $290.75
Original price $166.35 - Original price $166.35
Original price
$166.35
$166.35 - $166.35
Current price $166.35

Aquatrol AT-1252BL-25T 12 x 52 Pg Pressure Tank - 2.5” T Connection, Standard Base, Blue

Original price $166.35 - Original price $166.35
Original price
$166.35
$166.35 - $166.35
Current price $166.35
Original price $999.00 - Original price $999.00
Original price
$999.00
$999.00 - $999.00
Current price $999.00

Polaris Scientific UVA-946HO High-Capacity UV Disinfection System – 46 GPM Industrial Water Sterilizer The Polaris UVA-946HO Ultraviolet Disinfect...

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Original price $999.00 - Original price $999.00
Original price
$999.00
$999.00 - $999.00
Current price $999.00
Original price $599.00 - Original price $599.00
Original price
$599.00
$599.00 - $599.00
Current price $599.00

Polaris Scientific UVA-418HO High Output UV Disinfection System – 18 GPM Water Sterilizer The Polaris Scientific UVA-418HO Ultraviolet Disinfectio...

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Original price $599.00 - Original price $599.00
Original price
$599.00
$599.00 - $599.00
Current price $599.00
Original price $143.56 - Original price $143.56
Original price
$143.56
$143.56 - $143.56
Current price $143.56

Aquatrol AT-1252BK-25T 1252 Pg, 2.5" T, Standard Base, Black Part Number: AT-1252BK-25TDimensions: 12 x 52 inches (304 x 1320 mm)Connection: 2.5" T...

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Original price $143.56 - Original price $143.56
Original price
$143.56
$143.56 - $143.56
Current price $143.56
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