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Water Filters, Parts & Systems – Shop All Products

Explore our complete collection of water filters, replacement parts, and filtration systems for residential, commercial, and industrial use. Trusted brands, expert support, and fast shipping!

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iFilters RO-50KIT Smart Pack Water Filters Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane
iFilters RO-50KIT Smart Pack Water Filters Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane
Smart Pack

iFilters RO-50KIT Smart Pack Water Filters Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 50 GPD Membrane

RO-50KIT
in stock

$37.60 - $37.60
$37.60
$37.60 - $37.60
$37.60

Hydronix Reverse Osmosis (RO) Replacement Filter Set – 5 Stage Kit (50 GPD Membrane, 5 Pcs) Compatible with Standard 5-Stage RO Systems The Hydroni...

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$37.60 - $37.60
$37.60
$37.60 - $37.60
$37.60
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iFilters Smart Pack Water Filters RO-100KIT Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 100 GPD Membrane
iFilters Smart Pack Water Filters RO-100KIT Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 100 GPD Membrane
Smart Pack

iFilters Smart Pack Water Filters RO-100KIT Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs w/ 100 GPD Membrane

RO-100KIT
in stock

$47.99 - $47.99
$47.99
$47.99 - $47.99
$47.99

iFilters Smart Pack RO-100KIT – 5-Stage Reverse Osmosis Replacement Filter Set (100 GPD Membrane) High-Performance 5-Stage RO Filtration for Superi...

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$47.99 - $47.99
$47.99
$47.99 - $47.99
$47.99
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iFilters Sediment Grooved Water Filter Cartridge for LWHSD V2, LWH-D V2 Systems - IFilters
iFilters

iFilters Sediment Grooved Water Filter Cartridge for LWHSD V2, LWH-D V2 Systems

SG5-2509
in stock

$8.57 - $8.57
$8.57
$8.57 - $8.57
$8.57

The iFilters SG5-2509 are made of 100% pure polypropylene material. The iFilters SG5-2509 filters have deep grooves for a larger filtration area an...

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$8.57 - $8.57
$8.57
$8.57 - $8.57
$8.57
24V AC Power Adapter for Softener and Filtration Systems - IFilters
PRO+AQUA

24V AC Power Adapter for Softener and Filtration Systems

IFA-19674
in stock

$21.95 - $21.95
$21.95
$21.95 - $21.95
$21.95

24V AC power adapter for Softener and Filtration Systems using a 24V Electronic Valve Head. Compatible with any softener or filtration system using...

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$21.95 - $21.95
$21.95
$21.95 - $21.95
$21.95
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PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine - IFilters
PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine - IFilters
PRO+AQUA

PRO+AQUA RV Replacement Filter for WS-P-REG-KITV2, Taste, Odor, Sediment, Chlorine

FC-9-PF
in stock

$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

The PRO+AQUA FC-9-PF is a dual two-stage filter in one. The first stage filters sediment, dirt, sand, and other particles down to the 5 micron leve...

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$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99
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SW-CB5-4510 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x10" - IFilters
iFilters

SW-CB5-4510 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x10"

SW-CB5-4510
in stock

$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00

This dual filter set includes the SW5-4510 Sediment String-wound filter and CB5-4510 CTO carbon block whole house filters. Suitable for whole hou...

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$41.00 - $41.00
$41.00
$41.00 - $41.00
$41.00
Aquatrol TB-65-54T Distributor Riser Tube w/ Fine Mesh Basket For 54" Tanks, 1.05" OD - IFilters
Aquatrol

Aquatrol TB-65-54T Distributor Riser Tube w/ Fine Mesh Basket For 54" Tanks, 1.05" OD

TB-65-54T
in stock

$21.75 - $21.75
$21.75
$21.75 - $21.75
$21.75

Aquatrol TB-65-54T Distributor Riser Tube with Fine Mesh Basket – Fits 54" Tanks (1.05" OD) The Aquatrol TB-65-54T Distributor Riser Tube is a high...

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$21.75 - $21.75
$21.75
$21.75 - $21.75
$21.75
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Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 20", 30 Micron - IFilters
Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 20", 30 Micron - IFilters
iFilters

Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 20", 30 Micron

SP30-4520
in stock

$34.99 - $34.99
$34.99
$34.99 - $34.99
$34.99

The SP30-4520 4.5" x 20" 30-micron polyester pleated cartridges are manufactured from durable polyester to provide a superior pleated Filter that i...

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$34.99 - $34.99
$34.99
$34.99 - $34.99
$34.99
Aquatrol AQT-MFV-1 Manual Filter Valve
Aquatrol AQT-MFV-1 Manual Filter Valve – 3-Cycle Control for 2.5" Port Tanks
Aquatrol

Aquatrol AQT-MFV-1 Adjustable 3 cycle control Manual Filter Valve For 2.5" Port Tanks.

AQT-MFV-1
in stock

$54.95 - $54.95
$54.95
$54.95 - $54.95
$54.95

Aquatrol AQT-MFV-1 Manual Filter Valve – 3-Cycle Control for 2.5" Port Tanks The Aquatrol AQT-MFV-1 Manual Filter Valve is a high-quality, easy-to-...

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$54.95 - $54.95
$54.95
$54.95 - $54.95
$54.95
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(4 Pack) Hydronix CB-45-2005/4 CTO Whole House Coconut Shell Carbon Block Water Filters 20" x 4.5", 5 micron - IFilters
(4 Pack) Hydronix CB-45-2005/4 Whole House Carbon Block Water Filters – 20" x 4.5", 5 Micron
Hydronix

(4 Pack) Hydronix CB-45-2005/4 CTO Whole House Coconut Shell Carbon Block Water Filters 20" x 4.5", 5 micron

CB-45-2005/4
in stock

$135.95 - $135.95
$135.95
$135.95 - $135.95
$135.95

(4 Pack) Hydronix CB-45-2005/4 Whole House Carbon Block Water Filters – 20" x 4.5", 5 Micron High-Performance Filtration for Residential & Comm...

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$135.95 - $135.95
$135.95
$135.95 - $135.95
$135.95
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iFilters KDF and GAC Well or City Water Whole House Filtration 4.5" x 10" - IFilters
iFilters KDF and GAC Well or City Water Whole House Filtration 4.5" x 10" - IFilters
iFilters

iFilters KDF and GAC Well or City Water Whole House Filtration 4.5" x 10"

KDF1-4510
in stock

$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99

KDF1-4510 4.5" x 10" Coconut GAC + 1 LB KDF cartridge. For City or Well Water Whole House or Commercial use. This filter is made from coconut shell...

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$54.99 - $54.99
$54.99
$54.99 - $54.99
$54.99
O-Ring For HF2, HF3 and HF4 Filter Housings - IFilters
Hydronix

O-Ring For HF2, HF3 and HF4 Filter Housings

HF2/3-ORING
in stock

$0.59 - $0.59
$0.59
$0.59 - $0.59
$0.59

Replacement O-Ring for the Hydronix HF2, HF3 and HF4 filter housings. These replacement O-Rings are made to be used with the Opaque or Clear HF2, H...

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$0.59 - $0.59
$0.59
$0.59 - $0.59
$0.59
Diverter Valve Faucet Adapter for Counter Top Water Filters, 1/4 Inch Push On, Chrome - IFilters
iFilters

Diverter Valve Faucet Adapter for Counter Top Water Filters, 1/4 Inch Push On, Chrome

P-DV-14
in stock

$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99

This Standard Faucet Diverter Valve with Aerator can be installed on most kitchen faucets to divert water to the Countertop, RO or RO/DI uni...

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$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99
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Alkaline Remineralization pH Inline Water Filter Fits Any RO, 1/4" NPT Ports - IFilters
Hydronix

Alkaline Remineralization pH Inline Water Filter Fits Any RO, 1/4" NPT Ports

ICF-2512-ALK
in stock

$40.42 - $40.42
$40.42
$40.42 - $40.42
$40.42

Increase the pH of your filtered water and add healthy minerals back into your body. Remineralize your water by installing this easy-to-install Inl...

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$40.42 - $40.42
$40.42
$40.42 - $40.42
$40.42
Replacement Pads for Flowlok Leak Detector Safety Valve, 2 Pack - IFilters
FlowLok

Replacement Pads for Flowlok Leak Detector Safety Valve, 2 Pack

FLK-PAD-2
in stock

$5.00 - $5.00
$5.00
$5.00 - $5.00
$5.00

Flowlok leak detector replacement pads. Pack of 2. The Flowlok leak detector automatically shuts off the water when a leak occurs. This Flowlok dev...

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$5.00 - $5.00
$5.00
$5.00 - $5.00
$5.00
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RP-3500 Replacement Water Filter, 1000 Gal, Compatible with Frescapure 3500 WF0451 - IFilters
RP-3500 Replacement Water Filter, 1000 Gal, Compatible with Frescapure 3500 WF0451 - IFilters
iFilters

RP-3500 Replacement Water Filter, 1000 Gal, Compatible with Frescapure 3500 WF0451

RP-3500
in stock

$59.95 - $59.95
$59.95
$59.95 - $59.95
$59.95

iFilters RP-3500 is a 100% compatible alternative replacement to the WF0451 filter used in the RP 3500 water filtration systems. Made from certifie...

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$59.95 - $59.95
$59.95
$59.95 - $59.95
$59.95
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Hydron - TW-2012-100 - Membrane
Hydron

Hydron - TW-2012-100 - Reverse Osmosis Membrane 100 GPD Reverse Osmosis DI RO Membrane Replacement Filter, Fits Standard Systems

TW-2012-100
in stock

$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00

The Hydron TW-2012-100 Reverse Osmosis membrane produces 100 gallons per day and is designed for home drinking water, DI systems, office and certai...

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$29.00 - $29.00
$29.00
$29.00 - $29.00
$29.00
iFilters MWH-D20-WELL Well Water Dual Filtration System Sediment Odor Taste Rust 20", 1" Ports - IFilters
iFilters MWH-D20-WELL Dual Stage Whole House Well Water Filtration System – 20", 1" Ports
iFilters

iFilters MWH-D20-WELL Well Water Dual Filtration System Sediment Odor Taste Rust 20", 1" Ports

MWH-D20-WELL
in stock

$259.99 - $259.99
$259.99
$259.99 - $259.99
$259.99

iFilters MWH-D20-WELL Dual Stage Whole House Well Water Filtration System – 20", 1" Ports The iFilters MWH-D20-WELL is a high-performance dual-stag...

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$259.99 - $259.99
$259.99
$259.99 - $259.99
$259.99
Well Water Filtration Sediment System Pleated Washable Filter, Clear, 1" Ports - IFilters
iFilters

Well Water Filtration Sediment System Pleated Washable Filter, Clear, 1" Ports

MWHSD-WELL
in stock

$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99

The iFilters MWHSD-WELL 10" Clear Heavy Duty Whole House Well Water Filter System comes complete with a high quality reusable/washable chemical res...

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$119.99 - $119.99
$119.99
$119.99 - $119.99
$119.99
Shok Blok Filter Protection Valve, 40psi, 3/8" - IFilters
Pressure Regulator Protection Valve for RO & Filter Systems, 1/4" QC, 40 PSI
Shok Blok

Shok Blok Filter Protection Valve, 40psi, 3/8"

SB-FPV-40/38
in stock

$13.25 - $13.25
$13.25
$13.25 - $13.25
$13.25

SHOK BLOK Filter Protection Valves are you best choice for protecting and limiting water pressure to your water filtration device. This SHOK BLOK M...

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$13.25 - $13.25
$13.25
$13.25 - $13.25
$13.25
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Smart Pack Water Filters CB8 Carbon Block Water Filter Compatible with Amway E-84, E-85, A101, E-9225
Smart Pack

Smart Pack Water Filters CB8 Carbon Block Water Filter Compatible with Amway E-84, E-85, A101, E-9225

IF-CB8
in stock

$43.07 - $43.07
$43.07
$43.07 - $43.07
$43.07

The iFilters IF-CB8 Amway Carbon Block Water Filter is a 0.5 sub-microns filter and provides 1250 gallons (or 1 year) of cleaner, safer, healthier,...

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$43.07 - $43.07
$43.07
$43.07 - $43.07
$43.07
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SW5-4520 String Wound Sediment Water Filter Whole House or Commercial, 4.5 x 20, 5 Micron - IFilters
SW5-4520 String Wound Sediment Water Filter Whole House or Commercial, 4.5 x 20, 5 Micron - IFilters
iFilters

SW5-4520 String Wound Sediment Water Filter Whole House or Commercial, 4.5 x 20, 5 Micron

SW5-4520
in stock

$25.99 - $25.99
$25.99
$25.99 - $25.99
$25.99

The SW5-4520 Polypropylene String Wound Filters has a particle retention Size of 5 micron and are used in a residential and commercial water filt...

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$25.99 - $25.99
$25.99
$25.99 - $25.99
$25.99
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SW5-4510 Whole House Sediment String Wound Water Filter Cartridge, 5 micron 4.5" x 10" - IFilters
iFilters

SW5-4510 Whole House Sediment String Wound Water Filter Cartridge, 5 micron 4.5" x 10"

SW5-4510
in stock

$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99

The SW5-4510 Polypropylene String Wound Filters has a particle retention Size of 5 micron and are used in a residential and commercial water filt...

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$11.99 - $11.99
$11.99
$11.99 - $11.99
$11.99
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Whole House Coconut Shell Carbon GAC Water Filter 4.5 x 20 - IFilters
Hydronix

Whole House Coconut Shell Carbon GAC Water Filter 4.5 x 20

UDF-20BP
in stock

$30.95 - $30.95
$30.95
$30.95 - $30.95
$30.95

The Hydronix UDF-20BP granular activated carbon (GAC) cartridges are the best choice for your higher flow, taste, odder and chlorine reduction need...

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$30.95 - $30.95
$30.95
$30.95 - $30.95
$30.95
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