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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

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Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 40" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 30"

AR0020S03A
in stock
$274.30 - $274.30
$274.30
$274.30 - $274.30
$274.30

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

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$274.30 - $274.30
$274.30
$274.30 - $274.30
$274.30
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Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 40" - IFilters
HydroScientific

Poly-Ray Pleated Silicone, 0.2m Oring 222/Flat 10"

AR0020S01A
in stock
$89.82 - $89.82
$89.82
$89.82 - $89.82
$89.82

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

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$89.82 - $89.82
$89.82
$89.82 - $89.82
$89.82
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Delta Plus 40" Silicone, 1m , DOE - IFilters
HydroScientific

Delta Plus 40" Silicone, 1m , DOE

DP001SF4000
in stock
$70.88 - $70.88
$70.88
$70.88 - $70.88
$70.88

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$70.88 - $70.88
$70.88
$70.88 - $70.88
$70.88
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Delta Plus 40" Silicone, 1m , 222/FIN - IFilters
HydroScientific

Delta Plus 40" Silicone, 1m , 222/FIN

DP001S54000
in stock
$70.88 - $70.88
$70.88
$70.88 - $70.88
$70.88

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$70.88 - $70.88
$70.88
$70.88 - $70.88
$70.88
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Delta Plus 40" Silicone, 1m , Double Open - IFilters
HydroScientific

Delta Plus 40" Silicone, 1m , Double Open

DP001SX4000
in stock
$60.89 - $60.89
$60.89
$60.89 - $60.89
$60.89

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$60.89 - $60.89
$60.89
$60.89 - $60.89
$60.89
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Delta Plus 30" Silicone, 1m , DOE - IFilters
HydroScientific

Delta Plus 30" Silicone, 1m , DOE

DP001SF3000
in stock
$55.72 - $55.72
$55.72
$55.72 - $55.72
$55.72

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$55.72 - $55.72
$55.72
$55.72 - $55.72
$55.72
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Delta Plus 30" Silicone, 1m , 222/FIN - IFilters
HydroScientific

Delta Plus 30" Silicone, 1m , 222/FIN

DP001S53000
in stock
$55.72 - $55.72
$55.72
$55.72 - $55.72
$55.72

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$55.72 - $55.72
$55.72
$55.72 - $55.72
$55.72
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Delta Plus 30" Silicone, 1m , Double Open - IFilters
HydroScientific

Delta Plus 30" Silicone, 1m , Double Open

DP001SX3000
in stock
$45.71 - $45.71
$45.71
$45.71 - $45.71
$45.71

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$45.71 - $45.71
$45.71
$45.71 - $45.71
$45.71
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Delta Plus 20" Silicone, 1m , DOE - IFilters
HydroScientific

Delta Plus 20" Silicone, 1m , DOE

DP001SF2000
in stock
$40.44 - $40.44
$40.44
$40.44 - $40.44
$40.44

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$40.44 - $40.44
$40.44
$40.44 - $40.44
$40.44
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Delta Plus 20" Silicone, 1m , Double Open - IFilters
HydroScientific

Delta Plus 20" Silicone, 1m , Double Open

DP001SX2000
in stock
$30.44 - $30.44
$30.44
$30.44 - $30.44
$30.44

Hydronix DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding capacity...

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$30.44 - $30.44
$30.44
$30.44 - $30.44
$30.44
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Delta Plus 10" Silicone, 1m , DOE - IFilters
HydroScientific

Delta Plus 10" Silicone, 1m , DOE

DP001SF1000
in stock
$25.08 - $25.08
$25.08
$25.08 - $25.08
$25.08

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$25.08 - $25.08
$25.08
$25.08 - $25.08
$25.08
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Delta Plus 10" Silicone, 1m , 222/FIN - IFilters
HydroScientific

Delta Plus 10" Silicone, 1m , 222/FIN

DP001S51000
in stock
$25.08 - $25.08
$25.08
$25.08 - $25.08
$25.08

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$25.08 - $25.08
$25.08
$25.08 - $25.08
$25.08
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Delta Plus 10" Silicone, 1m, Double Open - IFilters
HydroScientific

Delta Plus 10" Silicone, 1m, Double Open

DP001SX1000
in stock
$15.09 - $15.09
$15.09
$15.09 - $15.09
$15.09

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$15.09 - $15.09
$15.09
$15.09 - $15.09
$15.09
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Hydronix Sediment Bonded Depth Filter 2.5" X 40", 5m, Silicon, 222/FIN - IFilters
Hydronix

Hydronix Sediment Bonded Depth Filter 2.5" X 40", 5m, Silicon, 222/FIN

SBC-25-4005-S5
in stock
$29.65 - $29.65
$29.65
$29.65 - $29.65
$29.65

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

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$29.65 - $29.65
$29.65
$29.65 - $29.65
$29.65
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Hydronix Sediment Bonded Depth Filter 2.5" X 39", 5m - IFilters
Hydronix

Hydronix Sediment Bonded Depth Filter 2.5" X 39", 5m

SBC-25-3905
in stock
$13.71 - $13.71
$13.71
$13.71 - $13.71
$13.71

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

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$13.71 - $13.71
$13.71
$13.71 - $13.71
$13.71
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Hydronix Sediment Bonded Depth Filter 2.5" X 39", 1m - IFilters
Hydronix

Hydronix Sediment Bonded Depth Filter 2.5" X 39", 1m

SBC-25-3901
in stock
$13.71 - $13.71
$13.71
$13.71 - $13.71
$13.71

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

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$13.71 - $13.71
$13.71
$13.71 - $13.71
$13.71
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Hydronix Sediment Bonded Depth Filter 2.5" X 29 1/4", 1m - IFilters
Hydronix

Hydronix Sediment Bonded Depth Filter 2.5" X 29 1/4", 1m

SBC-25-29141
in stock
$11.41 - $11.41
$11.41
$11.41 - $11.41
$11.41

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

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$11.41 - $11.41
$11.41
$11.41 - $11.41
$11.41
HF5-CAP34BKPR HF5 Housing Cap 3/4" with PR Button - IFilters
Hydronix

HF5-CAP34BKPR HF5 Housing Cap 3/4" with PR Button

HF5-CAP34BKPR
in stock
$27.72 - $27.72
$27.72
$27.72 - $27.72
$27.72

This is the original replacement Cap for the Hydronix HF5 housings. Comes in Black Color. 3/4" Port with PR Button

$27.72 - $27.72
$27.72
$27.72 - $27.72
$27.72
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Hydronix Sediment Bonded Depth Filter 2.5" X 19.5", 1m - IFilters
Hydronix

Hydronix Sediment Bonded Depth Filter 2.5" X 19.5", 1m

SBC-25-1951
in stock
$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99

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

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$6.99 - $6.99
$6.99
$6.99 - $6.99
$6.99
Auto Ship
Delta Plus 20" Silicone, 1m , 222/FIN - IFilters
HydroScientific

Delta Plus 20" Silicone, 1m , 222/FIN

DP001S52000
in stock
$40.44 - $40.44
$40.44
$40.44 - $40.44
$40.44

HydroScientific DP Series Delta-Plus Filters meet market needs for a pure absolute-rated Polypropylene depth filter with exceptional dirt holding c...

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$40.44 - $40.44
$40.44
$40.44 - $40.44
$40.44
Hydronix Panel Mount Flow Meter 10 - 35GPM Adjustable - IFilters
Hydronix

Hydronix Panel Mount Flow Meter 10 - 35GPM Adjustable

AFM-1035
in stock
$140.98 - $140.98
$140.98
$140.98 - $140.98
$140.98

Hydronix AFM Series Flowmeters have easy-to-read scales silk-screened onto the acrylic bodies that are extremely accurate. Convenient adjustable kn...

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$140.98 - $140.98
$140.98
$140.98 - $140.98
$140.98
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Aqua-Pure AP110-3 Compatible 30" Whole House Filter Cartridge – 5 Micron
Hydronix

Aqua-Pure AP110-3 Compatible 30" Whole House Filter Cartridge

AP110-3
in stock
$14.65 - $14.65
$14.65
$14.65 - $14.65
$14.65

Aqua-Pure AP110-3 Compatible 30" Whole House Filter Cartridge – 5 Micron The Aqua-Pure AP110-3 Compatible Whole House Filter Cartridge is a high-pe...

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$14.65 - $14.65
$14.65
$14.65 - $14.65
$14.65
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Hydronix SWC-25-4050 String Wound Sediment Water Filter Cartridge 50 μm 2.5 x 40
Hydronix

Hydronix SWC-25-4050 String Wound Sediment Water Filter Cartridge 50 μm 2.5 x 40

SWC-25-4050
in stock
$22.82 - $22.82
$22.82
$22.82 - $22.82
$22.82

The Hydronix SWC-25-4050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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$22.82 - $22.82
$22.82
$22.82 - $22.82
$22.82
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Hydronix SWC-25-3050 String Wound Sediment Water Filter Cartridge 50 μm 2.5 x 30
Hydronix

Hydronix SWC-25-3050 String Wound Sediment Water Filter Cartridge 50 μm 2.5 x 30

SWC-25-3050
in stock
$16.18 - $16.18
$16.18
$16.18 - $16.18
$16.18

The Hydronix SWC-25-3050 polypropylene String wound filters have a particle retention Size of 50 micron and are used in a residential and commercia...

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$16.18 - $16.18
$16.18
$16.18 - $16.18
$16.18
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