Skip to content

Shop All Water Filters, Parts & Systems

Fresh, dependable water starts with the right setup, and iFilters makes it easy to find what fits your space. Water Filters, Parts & Systems in this collection cover everyday drinking needs, whole-home protection, and jobsite-ready solutions for commercial and industrial use. Browse by product type, filter size, or compatibility so replacements and upgrades stay simple. Options span sediment, carbon, reverse osmosis, and UV, giving you a clear path from problem to solution. Fast shipping and helpful support keep your project moving.

About iFilters Water Filtration Products

iFilters brings a one-stop catalog together, from complete whole-house filtration systems to specialized drinking water systems for sinks and dispensers. Commercial systems help support higher flow demands, while replacement filters keep performance consistent between service intervals. Parts like housings, fittings, adapters, and power supplies help you maintain, repair, or expand an existing setup without guesswork. Ultraviolet systems add an extra layer for applications that benefit from UV treatment. Tools and specialty systems round out the collection for unique installs, seasonal needs, and niche use cases.

Why Choose iFilters for Water Filtration Gear?

Confidence comes from selection, and this store is built around breadth and compatibility across many brands and applications. Auto Ship subscriptions make routine replacements easier, while discounts help reduce long-term ownership costs. Expert support is available when you need help choosing the right part, matching a cartridge, or planning a system refresh. Free shipping starts at qualifying order thresholds, and a satisfaction guarantee adds peace of mind at checkout.

Shop water filtration systems and parts online today!

Filters

$
$
Auto Ship
iFilters SP30-4510 - Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 10", 30 Micron - IFilters
iFilters

iFilters SP30-4510 - Sediment Pleated Water Filter City or Well Water, Washable 4.5" x 10", 30 Micron

SP30-4510
in stock

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

The SP30-4510 4.5" x 10" 30-micron polyester pleated cartridges are manufactured from durable polyester to provide you with a superior pleated Filt...

View full details
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
Auto Ship
2 PK Carbon Block Drinking Water Filter Replacement for Lead Asbestos CTO
Hydronix

2 PK Carbon Block Drinking Water Filter Replacement for Lead Asbestos CTO

SMCB-2510/2
in stock

$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00

Hydronix SMCB-2510 carbon block filters are NSF/ANSI standard 42 certified for Material and structural Safety. SMCB-2520 filters have a particle re...

View full details
$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00
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

$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99

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

View full details
$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
Auto Ship
(4 Pack) Hydronix CB-45-2005/4 CTO Whole House Coconut Shell Carbon Block Water Filters 20" x 4.5", 5 micron - IFilters
CB-45-2005 Variations
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...

View full details
$135.95 - $135.95
$135.95
$135.95 - $135.95
$135.95
Aquatrol TD-1203 Top Upper Distributor Fine Mesh Basket – Fits 1.05" Riser Tubes
Aquatrol

Aquatrol TD-1203 Top Upper Distributor Fine Mesh Basket, Aquatrol, Fleck, Clack, Autotrol, 1.05" ID

TD-1203
in stock

$8.50 - $8.50
$8.50
$8.50 - $8.50
$8.50

Aquatrol TD-1203 Top Upper Distributor Fine Mesh Basket – Fits 1.05" Riser Tubes The Aquatrol TD-1203 Top Upper Distributor Fine Mesh Basket is a h...

View full details
$8.50 - $8.50
$8.50
$8.50 - $8.50
$8.50
Polaris Scientific EB-2439 Ultraviolet Water UV System Ballast, 24W - 39W 110V/220V - IFilters
Polaris Scientific EB-2439 Ultraviolet UV System Ballast – 24W-39W, 110V/220V
Polaris Scientific

Polaris Scientific EB-2439 Ultraviolet Water UV System Ballast, 24W - 39W 110V/220V

EB-2439
in stock

$45.99 - $45.99
$45.99
$45.99 - $45.99
$45.99

Polaris Scientific EB-2439 Ultraviolet UV System Ballast – 24W-39W, 110V/220V The Polaris Scientific EB-2439 is a high-quality OEM replacement ball...

View full details
$45.99 - $45.99
$45.99
$45.99 - $45.99
$45.99
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...

View full details
$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
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...

View full details
$8.99 - $8.99
$8.99
$8.99 - $8.99
$8.99
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...

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

Smart Pack Royal Prestige Replacement Filter – 0.5 Micron Coconut Shell Carbon Block Under-Sink Water Filter 2-Pack

RP-CB456505/2
in stock

$99.99 - $99.99
$99.99
$99.99 - $99.99
$99.99

Enjoy cleaner, better-tasting water with the Smart Pack Royal Prestige Carbon Block Replacement Filter 2-Pack. Designed for FrescaPure 4000, 4500, ...

View full details
$99.99 - $99.99
$99.99
$99.99 - $99.99
$99.99
iFilters

iFilters Dual-Stage Whole House Well Water Filtration System – Reduces Rust, Iron, Sediment, Sulfur Odors & Taste – 4.5″ × 20″ Housing, 1″ Ports

MWH-D20-WELL
in stock

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

Keep your home’s water clean, clear, and great-tasting with the iFilters Dual-Stage Whole House Well Water Filtration System. Specifically designed...

View full details
$259.99 - $259.99
$259.99
$259.99 - $259.99
$259.99
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...

View full details
$13.25 - $13.25
$13.25
$13.25 - $13.25
$13.25
Auto Ship
iFilters

Water Softener Resin Media High Quality Replacement Cation Ion Exchange 1/2 CuFt

MED-CAT-025/2
in stock

$74.99 - $74.99
$74.99
$74.99 - $74.99
$74.99

Half a Cubic Foot, perfect for portable water softeners needing resin media replacement. 100% compatible replacement for any water softener system ...

View full details
$74.99 - $74.99
$74.99
$74.99 - $74.99
$74.99
Hydronix PMP-43622-01 Power Supply Transformer for PMP-300GPD Booster Pump
Aquatrol PMP-300GPD – 300 GPD Reverse Osmosis Booster Pump
Aquatrol

Aquatrol PMP-300GPD 300 GPD RO Booster Pump for 300 GPD RO Systems

PMP-300GPD
in stock

$178.00 - $178.00
$178.00
$178.00 - $178.00
$178.00

Aquatrol PMP-300GPD – 300 GPD Reverse Osmosis Booster Pump High-Performance RO Booster Pump for 300 GPD Systems The Aquatrol PMP-300GPD is a heavy-...

View full details
$178.00 - $178.00
$178.00
$178.00 - $178.00
$178.00
Auto Ship
IF-P117 AP117 Compatible GAC Water Filter 4 Pack - IFilters
iFilters

IF-P117 AP117 Compatible GAC Water Filter 4 Pack

IF-P117/4
in stock

$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

4 Pack of the Aqua-Pure AP117 Compatible Premium Carbon IF-P117 GAC Water Filter. Premium GAC Granular Activated Coconut Shell Carbon Removes Chlor...

View full details
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
Auto Ship
(20 Pack) Hydronix SGC-25-1005 - 5 Micron Sediment Filters Replaces Aqua-Pure AP110 WHCF-GD05 FPMBG-5-975
(20 Pack) Hydronix SGC-25-1005 - 5 Micron Sediment Filters Replaces Aqua-Pure AP110 WHCF-GD05 FPMBG-5-975
Hydronix

(20 Pack) Hydronix SGC-25-1005 - 5 Micron Sediment Filters Replaces Aqua-Pure AP110 WHCF-GD05 FPMBG-5-975

SGC-25-1005/20
in stock

$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

Grooved Melt Blown Polypropylene Filter Features and Benefits Gradient Density, Multi-Layered, Melt Blown Sediment Filter Cartridge. Larger particl...

View full details
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
Aquatrol AT-1035BL-25T – 10" x 35" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port)
Aquatrol

Aquatrol AT-1035BL-25T - 10 x 35 Mineral Pressure Tank for Water Softeners or Filtration, 2.5" Port

AT-1035BL-25T
in stock

$78.93 - $78.93
$78.93
$78.93 - $78.93
$78.93

Aquatrol AT-1035BL-25T – 10" x 35" Mineral Pressure Tank for Water Softeners & Filtration (2.5" Port) The Aquatrol AT-1035BL-25T Mineral Pressu...

View full details
$78.93 - $78.93
$78.93
$78.93 - $78.93
$78.93
Well Water 20" Filtration Sediment System Pleated Washable Filter, 1" Ports - IFilters
MWHSD Variations
iFilters

Well Water 20" Filtration Sediment System Pleated Washable Filter, 1" Ports

MWHSD20-WELL
in stock

$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99

The iFilters MWHSD20-WELL 20" Clear Heavy Duty Whole House Well Water Filter System comes complete with a high quality reusable/washable chemical r...

View full details
$149.99 - $149.99
$149.99
$149.99 - $149.99
$149.99
iFilters XWH-1000 or XWH-1000-KDF85 Whole House Water Filtration System 1,000,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510) - IFilters
iFilters XWH-1000 or XWH-1000-KDF85 - Whole House Water Filtration System | 1,000,000 Gallon Capacity w/ Pre-Filter & GAC/KDF (SP30-4510)
iFilters

iFilters XWH-1000 or XWH-1000-KDF85 Whole House Water Filtration System 1,000,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510)

XWH-1000-KDF55
in stock

$714.16 - $800.00
$714.16 - $800.00
$714.16 - $800.00
$714.16

iFilters XWH-1000 Whole House Water Filtration System – 1,000,000 Gallon Capacity with Pre-Filter & GAC/KDF (SP30-4510)

$714.16 - $800.00
$714.16 - $800.00
$714.16 - $800.00
$714.16
Stainless Steel 4.5 Gallon Reverse Osmosis Storage Water Tank - White, 1/4" Port
Stainless Steel 4.5 Gallon Reverse Osmosis Storage Water Tank - White, 1/4" Port - IFilters
Hydronix

Stainless Steel 4.5 Gallon Reverse Osmosis Storage Water Tank - White, 1/4" Port

RO-132-W14
in stock

$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00

NSF Certified 4.5 Gallon (3.2 Draw-down) Reverse Osmosis Water Storage Tank. Lead, brass and copper are banned for use in purified/drinking water. ...

View full details
$60.00 - $60.00
$60.00
$60.00 - $60.00
$60.00
Auto Ship
iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20" - IFilters
iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20" - IFilters
iFilters

iFilters KDF and GAC City or Well Water Whole House Filtration 4.5" x 20"

KDF2-4520
in stock

$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99

KDF2-4520 4.5" x 20" Coconut GAC + 2LBS KDF size cartridge. For City or Well Water Whole House or Commercial use. This filter is made from coconut ...

View full details
$109.99 - $109.99
$109.99
$109.99 - $109.99
$109.99
Auto Ship
Hydronix Radial Flow Carbon Filter - 4.5" x 20" Compatible to RFC20-BB - IFilters
Hydronix

Hydronix Radial Flow Carbon Filter - 4.5" x 20" Compatible to RFC20-BB

SDP-4520
in stock

$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99

Hydronix SDP-4520 Sediment Dual Purpose Radial Flow Carbon Filter is compatible with RFC-20BB filters. It provides a unique design combining all th...

View full details
$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
iFilters XWH-1000 or XWH-1000-KDF85 Whole House Water Filtration System 1,000,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510) - IFilters
iFilters XWH-600 Whole House Water Filtration System – 600,000 Gallon Capacity
iFilters

iFilters XWH-600 Whole House Water Filtration System 600,000 gal capacity w/Pre-filter, GAC/KDF (SP30-4510)

XWH-600
in stock

$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99

iFilters XWH-600 Whole House Water Filtration System – 600,000 Gallon Capacity High-Performance Filtration for Cleaner, Healthier Water The iFilter...

View full details
$499.99 - $499.99
$499.99
$499.99 - $499.99
$499.99
Autoship Popup
{"statementLink":"","footerHtml":"","hideMobile":false,"hideTrigger":false,"disableBgProcess":false,"language":"en","position":"right","leadColor":"#146ff8","triggerColor":"#146ff8","triggerRadius":"50%","triggerPositionX":"right","triggerPositionY":"bottom","triggerIcon":"people","triggerSize":"medium","triggerOffsetX":95,"triggerOffsetY":20,"mobile":{"triggerSize":"small","triggerPositionX":"right","triggerPositionY":"bottom","triggerOffsetX":90,"triggerOffsetY":10,"triggerRadius":"50%"}}