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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!

Filters

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SPV-40CAP34 End Cap for Hydronix SPV-4040-34 RO Vessel, 1pc - IFilters
Hydronix

SPV-40CAP34 End Cap for Hydronix SPV-4040-34 RO Vessel, 1pc

SPV-40CAP34
in stock

$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99

Hydronix End Cap for Hydronix SPV-4040-34, 4" with 3/4" Feed Port and 1/2" Brine, Black This Hydronix end cap is made from Glass Reinforced Polyami...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
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Whole House Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10" - 5 μm - IFilters
Hydronix

Whole House Reverse Osmosis Sediment Water Filter Cartridge 2.5" x 10" - 5 μm

SDC-25-1005
in stock
$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00

Hydronix SDC-25-1005 polypropylene sediment filters have a particle retention Size of 5 microns and are used in residential and commercial water fi...

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$7.00 - $7.00
$7.00
$7.00 - $7.00
$7.00
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
Auto Ship
Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 75 GPD Membrane, QC - IFilters
Smart Pack

Reverse Osmosis Replacement Filter Set RO Cartridges 5 pcs, 75 GPD Membrane, QC

RO-75KITQ
in stock
$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95

5 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 75 GPD Membrane. For any standard RO system. Sediment, GAC, CTO, Membrane & GA...

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$39.95 - $39.95
$39.95
$39.95 - $39.95
$39.95
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Hydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set – 50 GPD
Hydro Guard

Hydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set, 50 GPD

HDGT-45-SET
in stock

$139.99 - $139.99
$139.99
$139.99 - $139.99
$139.99

Hydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set – 50 GPD The Hydro Guard HDGT-45 Reverse Osmosis 1-Year Filter Replacement Set is...

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$139.99 - $139.99
$139.99
$139.99 - $139.99
$139.99
Polaris Scientific GL39PP UV Ultraviolet Replacement Lamp, Germicidal Lamp, 39W - IFilters
Polaris Scientific GL39PP UV Ultraviolet Replacement Lamp, Germicidal Lamp, 39W - IFilters
Polaris Scientific

Polaris Scientific GL39PP UV Ultraviolet Replacement Lamp, Germicidal Lamp, 39W

GL39PP
in stock

$46.55 - $46.55
$46.55
$46.55 - $46.55
$46.55

Polaris Scientific GL39PP Replacement Germicidal Lamp for the UVA-12C, UVA-24B, UVA-36B, UVA-50B, UVA-60B, UVA-80B and UVA-100B Ultraviolet UV System.

$46.55 - $46.55
$46.55
$46.55 - $46.55
$46.55
Countertop Ultra Drinking Water Filter For VOCs Chlorine, White
Countertop Ultra Drinking Water Filter For VOCs Chlorine, White
iFilters

Countertop Ultra Drinking Water Filter For VOCs Chlorine, White

CNTP-1W
in stock

$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95

NOTE: Our faucets are NSF certified, Safe for Drinking Water and comply with NSF/ANSI Standard 372 for low-lead content, meeting the strict require...

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$49.95 - $49.95
$49.95
$49.95 - $49.95
$49.95
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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
Auto Ship
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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2 Pack Compatible Fit Frescapure 4000 4500 5000 6000 Water Filter Replacement
2 Pack Compatible Fit Frescapure 4000 4500 5000 6000 Water Filter Replacement
Smart Pack

2 Pack Compatible Fit Frescapure 4000 4500 5000 6000 Water Filter Replacement

RP-CB456505/2
in stock

$94.99 - $94.99
$94.99
$94.99 - $94.99
$94.99

This filter is NOT compatible with the FrescaPure 3000 or 3500 models. Este filtro NO es compatible con los modelos FrescaPure 3000 y 3500. The iFi...

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$94.99 - $94.99
$94.99
$94.99 - $94.99
$94.99
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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
PRO+AQUA WS-P-16 - Portable RV Water Softener Pro Grade 16,000 Grain, Trailers, Boats, Car Washing - IFilters
PRO+AQUA WS-P-16 Portable RV Water Softener – 16,000 Grain
PRO+AQUA

PRO+AQUA WS-P-16 - Portable RV Water Softener Pro Grade 16,000 Grain, Trailers, Boats, Car Washing

WS-P-16
in stock

$279.95 - $279.95
$279.95
$279.95 - $279.95
$279.95

PRO+AQUA WS-P-16 Portable RV Water Softener – 16,000 Grain Premium Mobile Softening Solution for RVs, Boats, Car Washing & More The PRO+AQUA WS...

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$279.95 - $279.95
$279.95
$279.95 - $279.95
$279.95
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
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Drinking Water Replacement Filter Set for 3 stage Filtration Systems - IFilters
iFilters

Drinking Water Replacement Filter Set for 3 stage Filtration Systems

IFD-U3PK
in stock

$38.99 - $38.99
$38.99
$38.99 - $38.99
$38.99

The IFD-U3PK combines Sediment filtration with GAC and KDF to filter and reduce heavy metals as well as chlorine, taste, and odor found in city and...

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$38.99 - $38.99
$38.99
$38.99 - $38.99
$38.99
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
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(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117
(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117
Hydro Guard

(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge - Interchangeable with AP117

HDG-P117/6
in stock

$41.60 - $41.60
$41.60
$41.60 - $41.60
$41.60

(6 Pack) Hydro Guard HDG-P117/6 Premium GAC Water Filter Cartridge – AP117 Compatible Replacement The (6 Pack) Hydro Guard HDG-P117/6 Granular Acti...

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$41.60 - $41.60
$41.60
$41.60 - $41.60
$41.60
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RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT
Hydronix

RO Post Polishing Fridge Ice Inline Coconut GAC Water Filter, 2000 Gal, 1/4" NPT

ICF-10
in stock
$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00

Hydronix ICF-10 inline coconut shell carbon filters have 1/4" npt connections and are suitable for drinking water filtration applications. The coco...

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$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00
PRO+AQUA PRO-100-E ELITE GEN2, Po features include: Pressure Release, Pro Guages, 1in Ports, Pro-grade Bracket, Clear Housing.
PRO+AQUA PRO-100-E ELITE GEN2 Whole House 3-Stage Well Water Filter System – 1” Ports with Gauges
PRO+AQUA

PRO+AQUA PRO-100-E ELITE GEN2 Whole House 3 Stage Well Water Filter System, Gauges, 1” Ports

PRO-100-E
in stock

$489.95 - $489.95
$489.95
$489.95 - $489.95
$489.95

PRO+AQUA PRO-100-E ELITE GEN2 Whole House 3-Stage Well Water Filter System – 1” Ports with Gauges Advanced Whole House Water Filtration for Unmatch...

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$489.95 - $489.95
$489.95
$489.95 - $489.95
$489.95
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Culligan RO Filter Set for AC-30 AC30 Reverse Osmosis System with 3/8 inline QC
Smart Pack

Culligan RO Filter Set for AC-30 AC30 Reverse Osmosis System with 3/8 inline QC

RO-CUL-3
in stock
$23.75 - $23.75
$23.75
$23.75 - $23.75
$23.75

Reverse Osmosis (RO) Replacement water filters for AC-30 (AC30) and AC-15 (AC15) Reverse Osmosis (RO) Systems. Includes Sediment, Carbon Block and ...

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$23.75 - $23.75
$23.75
$23.75 - $23.75
$23.75
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(6 Pack) Hydronix SGC-25-1005 Sediment Filter Grooved Cartridge 2.5" x 10" 5 micron - Interchangeable with AP110 Model
(6 Pack) Hydronix SGC-25-1005 Sediment Filter Grooved Cartridge 2.5" x 10" 5 micron - Interchangeable with AP110 Model
Hydronix

(6 Pack) Hydronix SGC-25-1005 Sediment Filter Grooved Cartridge 2.5" x 10" 5 micron - Interchangeable with AP110 Model

SGC-25-1005/6
in stock
$18.20 - $18.20
$18.20
$18.20 - $18.20
$18.20

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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$18.20 - $18.20
$18.20
$18.20 - $18.20
$18.20
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
iFilters O-Ring Fits Any BB Housing Buna-N, 3 Pack - IFilters
iFilters

iFilters O-Ring Fits Any BB Housing Buna-N, 3 Pack

ORING-45/3
in stock

$11.19 - $11.19
$11.19
$11.19 - $11.19
$11.19

This 3 pack O-Rings by iFilters are used to seal water filter housings. It has an ID of 5-1/2" and OD of just over 5-3/4 inches and is made of nitr...

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$11.19 - $11.19
$11.19
$11.19 - $11.19
$11.19
Hydronix FW-1 Wrench for HF2 / HF3 / HF4 Series Housings - IFilters
Hydronix FW-1 Wrench for HF2 / HF3 / HF4 Series Housings - IFilters
Hydronix

Hydronix FW-1 Wrench for HF2 / HF3 / HF4 Series Housings

FW-1
in stock

$0.00 - $0.00
$0.00
$2.80
$2.80 - $2.80
$2.80

The FW-1 wrench fits HF2 / HF3 / HF4 Series Hydronix Housings

$0.00 - $0.00
$0.00
$2.80
$2.80 - $2.80
$2.80
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