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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

Hydron

Saddle and Strap Kit for 8" RO Vessel

FRPV-80SADDLE-F
in stock
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00

FRPV-80SADDLE-F

$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
Hydronix

PG15150B RO Meter for the RO300 and RO600

PG15150B
Out of stock
$26.00 - $26.00
$26.00
$26.00 - $26.00
$26.00

$26.00 - $26.00
$26.00
$26.00 - $26.00
$26.00
Hydronix

Hydronix Inline Style Flow Restrictor 550ml/Min, 50gpd, 1/4" QC

IFR-550QC
$18.99 - $18.99
$18.99
$18.99 - $18.99
$18.99

Inline Style Flow Restrictor 550ml/Min, 50gpd, 1/4" QC

$18.99 - $18.99
$18.99
$18.99 - $18.99
$18.99
Hydronix

Hydronix Inline Style Flow Restrictor 420ml/Min, 36gpd, 1/4" FNPT

IFR-420QC
$18.99 - $18.99
$18.99
$18.99 - $18.99
$18.99

Hydronix Inline Style Flow Restrictor 420ml/Min, 36gpd, 1/4" FNPT

$18.99 - $18.99
$18.99
$18.99 - $18.99
$18.99
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iFilters

iFilters Dual Purpose Radial Flow Water Filter Cartridge – RFC-93 / RFC93 Compatible Replacement – 10" x 4.5" Sediment & Activated Carbon Whole House Filter – Reduces Chlorine, Taste, Odor, Rust & Sediment for Home Water Systems (3 Pack)

IF3-RF-4510
In stock
$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00

Upgrade your water system with the iFilters Dual Purpose Radial Flow Cartridge (RFC-93 Comparable), designed to deliver both sediment filtration an...

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$42.00 - $42.00
$42.00
$42.00 - $42.00
$42.00
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iFilters

iFilters Dual Purpose Radial Flow Water Filter Cartridge – RFC-93 / RFC93 Compatible Replacement – 10" x 4.5" Sediment & Activated Carbon Whole House Filter – Reduces Chlorine, Taste, Odor, Rust & Sediment for Home Water Systems (2 Pack)

IF2-RF-4510
In stock
$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99

Upgrade your water system with the iFilters Dual Purpose Radial Flow Cartridge (RFC-93 Comparable), designed to deliver both sediment filtration an...

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$36.99 - $36.99
$36.99
$36.99 - $36.99
$36.99
Hydrofit

HDF-BVI06

HDF-BVI06
$9.99 - $9.99
$9.99
$9.99 - $9.99
$9.99

$9.99 - $9.99
$9.99
$9.99 - $9.99
$9.99
iFilters

QS90HO

QS90HO
in stock
$66.50 - $66.50
$66.50
$66.50 - $66.50
$66.50

QS90HO 

$66.50 - $66.50
$66.50
$66.50 - $66.50
$66.50
iFilters

HP10F-02

HP10F-02
in stock
$1,350.00 - $1,350.00
$1,350.00
$1,350.00 - $1,350.00
$1,350.00

HP10F-02

$1,350.00 - $1,350.00
$1,350.00
$1,350.00 - $1,350.00
$1,350.00
iFilters

HSC-90-5

HSC-90-5
in stock
$99.99 - $99.99
$99.99
$99.99 - $99.99
$99.99

HSC-90-5

$99.99 - $99.99
$99.99
$99.99 - $99.99
$99.99
PRO+AQUA

PRO-SCI-S45E 45,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S45E
In stock
$926.95 - $926.95
$926.95
$926.95 - $926.95
$926.95

Bigger Capacity. Full-Home Comfort. Designed for larger households, this powerful dual-stage system delivers cleaner, softer water to every tap. Wi...

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$926.95 - $926.95
$926.95
$926.95 - $926.95
$926.95
PRO+AQUA

PRO-SCI-S55E 55,000 Grain Whole House Water Filter & Softener Bundle

PRO-SCI-S55E
In stock
$1,000.90 - $1,000.90
$1,000.90
$1,000.90 - $1,000.90
$1,000.90

Heavy-Duty Water Treatment. Whole-Home Peace of Mind. Engineered for large households, this high-capacity dual-stage system delivers consistently c...

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$1,000.90 - $1,000.90
$1,000.90
$1,000.90 - $1,000.90
$1,000.90
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HydroScientific HSC-40-0.35-PPA Pleated Sediment Filter – 0.35 Micron Absolute, Jumbo 7-3/4" x 9-5/8" - IFilters
HydroScientific

HydroScientific HSC-40-0.35-PPA Pleated Sediment Filter – 0.35 Micron Absolute, Jumbo 7-3/4" x 9-5/8"

HSC-40-0.35-PPA
in stock
$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99

Hydroscientific Pleated Sediment Water Filter Jumbo 40 – 0.35 Micron Absolute – HSC-40-0.35-PPA Pleated Jumbo High Flow Filter CartridgesHSC SERIE...

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$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99
HYDROFIT 1/4" x 1/4" x 1/4" Two-Way Tube Splitter - HDF-TW04 - IFilters
Hydrofit

HYDROFIT 1/4" x 1/4" x 1/4" Two-Way Tube Splitter - HDF-TW04

HDF-TW04
Out of stock
$1.60 - $1.60
$1.60
$1.60 - $1.60
$1.60

HYDROFIT 1/4" Tube x 1/4" Tube x 1/4" Tube Two-Way Splitter (HDF-TW04)Efficient Tube-to-Tube Water Line Splitter The HYDROFIT HDF-TW04 is a 1/4" t...

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$1.60 - $1.60
$1.60
$1.60 - $1.60
$1.60
Aquasure Signature Elite 64,000 Grain Water Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle - IFilters
Aquasure Signature Elite 64,000 Grain Water Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle - IFilters
Aquasure

Aquasure Signature Elite 64,000 Grain Water Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle

AS-SE1500FM
in stock
$1,849.99 - $1,849.99
$1,849.99
$1,849.99 - $1,849.99
$1,849.99

Whole House Water Softener & RO Bundle – 64,000 Grain Softener + 75 GPD Reverse Osmosis + Triple-Stage Pre-Filter Overview The Signature Elite ...

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$1,849.99 - $1,849.99
$1,849.99
$1,849.99 - $1,849.99
$1,849.99
Aquasure Signature Elite 48,000 Grain Fine Mesh Resin Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle - IFilters
Aquasure Signature Elite 48,000 Grain Fine Mesh Resin Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle - IFilters
Aquasure

Aquasure Signature Elite 48,000 Grain Fine Mesh Resin Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle

AS-SE1500A
in stock
$1,779.99 - $1,779.99
$1,779.99
$1,779.99 - $1,779.99
$1,779.99

Overview The Signature Elite 3-in-1 48,000 Grains Whole House Water Filtration Bundle with Fine Mesh Resin (AS-WHF48FM) is a powerful, all-in-one ...

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$1,779.99 - $1,779.99
$1,779.99
$1,779.99 - $1,779.99
$1,779.99
Aquasure Signature Elite 5-in-1 Whole House Water Treatment Bundle with 48,000 Grain Fine Mesh Resin Softener + 12 GPM UV Sterilizer - IFilters
Aquasure Signature Elite 5-in-1 Whole House Water Treatment Bundle with 48,000 Grain Fine Mesh Resin Softener + 12 GPM UV Sterilizer - IFilters
Aquasure

Aquasure Signature Elite 5-in-1 Whole House Water Treatment Bundle with 48,000 Grain Fine Mesh Resin Softener + 12 GPM UV Sterilizer

AS-SE1000FMU
in stock
$1,999.99 - $1,999.99
$1,999.99
$1,999.99 - $1,999.99
$1,999.99

Overview The Aquasure Signature Elite 48,000 Grains Whole House Water Softener & Conditioner Bundle (AS-SE1000FMU) delivers an advanced 8-stage...

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$1,999.99 - $1,999.99
$1,999.99
$1,999.99 - $1,999.99
$1,999.99
Aquasure Signature Elite 32,000 Grain Water Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle - IFilters
Aquasure Signature Elite 32,000 Grain Water Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle - IFilters
Aquasure

Aquasure Signature Elite 32,000 Grain Water Softener + 75 GPD RO System + Triple Purpose Pre-Filter – Whole House Water Filter Bundle

AS-SE1000A
in stock
$1,539.99 - $1,539.99
$1,539.99
$1,539.99 - $1,539.99
$1,539.99

Overview The Signature Elite 3-in-1 32,000 Grains Whole House Water Filtration Bundle (AS-WHF32D) is designed to deliver clean, softened water thr...

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$1,539.99 - $1,539.99
$1,539.99
$1,539.99 - $1,539.99
$1,539.99
Aquasure Harmony 64,000 Grain Whole House Water Softener + 75 GPD Reverse Osmosis System – Max Capacity Water Filtration Combo - IFilters
Aquasure Harmony 64,000 Grain Whole House Water Softener + 75 GPD Reverse Osmosis System – Max Capacity Water Filtration Combo - IFilters
Aquasure

Aquasure Harmony 64,000 Grain Whole House Water Softener + 75 GPD Reverse Osmosis System – Max Capacity Water Filtration Combo

AS-PR75HS64D
in stock
$869.99 - $869.99
$869.99
$869.99 - $869.99
$869.99

Overview The Aquasure 64,000 Grains Whole House Water Softener with 75 GPD Reverse Osmosis System (AS-PR75HS64D) combines powerful ion exchange tec...

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$869.99 - $869.99
$869.99
$869.99 - $869.99
$869.99
Aquasure Harmony 48,000 Grain Whole House Water Softener + 75 GPD RO System – Whole House + Clean Drinking Water - IFilters
Aquasure Harmony 48,000 Grain Whole House Water Softener + 75 GPD RO System – Whole House + Clean Drinking Water - IFilters
Aquasure

Aquasure Harmony 48,000 Grain Whole House Water Softener + 75 GPD RO System – Whole House + Clean Drinking Water

AS-PR75HS48D
in stock
$779.99 - $779.99
$779.99
$779.99 - $779.99
$779.99

Overview The Aquasure 48,000 Grains Whole House Water Softener with 75 GPD Reverse Osmosis System (AS-PR75HS48D) combines advanced water softening ...

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$779.99 - $779.99
$779.99
$779.99 - $779.99
$779.99
Aquasure Harmony 32,000 Grain Whole House Water Softener + 75 GPD Reverse Osmosis System – Home & Drinking Water Bundle - IFilters
Aquasure Harmony 32,000 Grain Whole House Water Softener + 75 GPD Reverse Osmosis System – Home & Drinking Water Bundle - IFilters
Aquasure

Aquasure Harmony 32,000 Grain Whole House Water Softener + 75 GPD Reverse Osmosis System – Home & Drinking Water Bundle

AS-PR75HS32D
in stock
$679.99 - $679.99
$679.99
$679.99 - $679.99
$679.99

Overview The Aquasure 32,000 Grains Whole House Water Softener with 75 GPD Reverse Osmosis System (AS-PR75HS32D) provides comprehensive water treat...

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$679.99 - $679.99
$679.99
$679.99 - $679.99
$679.99
Aquasure Harmony 64,000 Grain Water Softener with Fine Mesh Resin & Pleated Sediment Filter – Full Home Water Protection - IFilters
Aquasure Harmony 64,000 Grain Water Softener with Fine Mesh Resin & Pleated Sediment Filter – Full Home Water Protection - IFilters
Aquasure

Aquasure Harmony 64,000 Grain Water Softener with Fine Mesh Resin & Pleated Sediment Filter – Full Home Water Protection

AS-HS64FMP
in stock
$869.99 - $869.99
$869.99
$869.99 - $869.99
$869.99

Overview The Aquasure Harmony Series 64,000 Grains Whole House Water Softener Bundle with Fine Mesh Resin and Pleated Sediment Pre-Filter System (A...

View full details
$869.99 - $869.99
$869.99
$869.99 - $869.99
$869.99
Aquasure Harmony 64,000 Grain Water Softener with Fine Mesh Resin & Pleated Sediment Filter – Advanced Whole Home Protection - IFilters
Aquasure Harmony 64,000 Grain Water Softener with Fine Mesh Resin & Pleated Sediment Filter – Advanced Whole Home Protection - IFilters
Aquasure

Aquasure Harmony 64,000 Grain Water Softener with Fine Mesh Resin & Pleated Sediment Filter – Advanced Whole Home Protection

AS-HS48FMP
in stock
$719.99 - $719.99
$719.99
$719.99 - $719.99
$719.99

Overview The Aquasure Harmony Series 48,000 Grains Whole House Water Softener Bundle with Fine Mesh Resin and Pleated Sediment Pre-Filter System (A...

View full details
$719.99 - $719.99
$719.99
$719.99 - $719.99
$719.99
Aquasure Harmony 32,000 Grain Water Softener + 10" Sediment/Carbon/Zinc Filter – Whole House Combo - IFilters
Aquasure Harmony 32,000 Grain Water Softener + 10" Sediment/Carbon/Zinc Filter – Whole House Combo - IFilters
Aquasure

Aquasure Harmony 32,000 Grain Water Softener + 10" Sediment/Carbon/Zinc Filter – Whole House Combo

AS-HS32SCP
in stock
$619.99 - $619.99
$619.99
$619.99 - $619.99
$619.99

Overview The Aquasure Harmony Series 32,000 Grains Whole House Water Softener with Triple Purpose Sediment/Carbon/Zinc Pre-Filter System (AS-HS32SC...

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$619.99 - $619.99
$619.99
$619.99 - $619.99
$619.99
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