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Whole House Filter Kits

Browse whole-house replacement filter kits and multi-stage cartridge sets for maintaining filtration at the point where water enters your home. Kits may combine sediment, carbon, iron, scale-control, or specialty media. Match the kit to your housing or system model, cartridge dimensions, stage order, contaminant goals, flow requirements, and recommended replacement schedule.

Filters

Hydronix CB-25-1005 Whole House RO Drinking Water Coconut Carbon Block Water Filter 5 m 2.5" x 10"
Hydronix CB-25-1005 Whole House RO Drinking Water Coconut Carbon Block Water Filter 5 m 2.5" x 10"
Hydronix

Hydronix CB-25-1005 Whole House RO Drinking Water Coconut Carbon Block Water Filter 5 m 2.5" x 10"

CB-25-1005
in stock
$10.99 - $10.99
$10.99
$10.99 - $10.99
$10.99

Hydronix CB-25-1005 Whole House RO Coconut Carbon Block Water Filter – 5 Micron, 2.5" x 10" Premium Carbon Block Filtration for Cleaner, Better-Tas...

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$10.99 - $10.99
$10.99
$10.99 - $10.99
$10.99
Polaris Scientific UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin
Polaris Scientific UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin
Polaris Scientific

Polaris Scientific UV Ultraviolet Replacement Lamp, Germicidal Lamp, 10W 4 Pin

GL10PP
in stock

$18.99 - $18.99
$18.99
$18.99 - $18.99
$18.99

Polaris Scientific GL10PP Replacement Germicidal Lamp for the UVA-1C Ultraviolet UV System.

$18.99 - $18.99
$18.99
$18.99 - $18.99
$18.99
Hydrogen Sulfide, Iron, Heavy Metals, Scale Control Water Filter, .5 lb KDF85 2.5x10 - IFilters
Hydrogen Sulfide, Iron, Heavy Metals, Scale Control Water Filter, .5 lb KDF85 2.5x10 - IFilters
iFilters

Hydrogen Sulfide, Iron, Heavy Metals, Scale Control Water Filter, .5 lb KDF85 2.5x10

KDF85-10-0.5
in stock
$28.99 - $28.99
$28.99
$28.99 - $28.99
$28.99

KDF85-10 2.5" x 10" Coconut GAC + KDF85 standard size filter cartridge. For Well Water or City Whole House filtration as well as Commercial use. T...

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$28.99 - $28.99
$28.99
$28.99 - $28.99
$28.99
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
Polaris Scientific Ultraviolet Water UV System New Style Ballast, 10W - 17W 110V - IFilters
Polaris Scientific

Polaris Scientific Ultraviolet Water UV System New Style Ballast, 10W - 17W 110V

BEB-1024
in stock
$32.95 - $32.95
$32.95
$32.95 - $32.95
$32.95

Polaris Scientific BEB-1024 ballast for the UVA-1C, UVA-2C and UVA-4C Ultraviolet UV Systems.

$32.95 - $32.95
$32.95
$32.95 - $32.95
$32.95
Hydronix 20"x4.5" HF45-20BLBK10PR Whole House Housing, 1" In/Out Ports W/ Pressure Relief Button
Hydronix 20"x4.5" HF45-20BLBK10PR Whole House Housing, 1" In/Out Ports W/ Pressure Relief Button
Hydronix

Hydronix 20"x4.5" HF45-20BLBK10PR Whole House Housing, 1" In/Out Ports W/ Pressure Relief Button

HF45-20BLBK10PR
in stock
$52.49 - $52.49
$52.49
$52.49 - $52.49
$52.49

The Hydronix HF45-20BLBK10PR 20" Filter Housing is an extra-wide housing that accommodates large 4.5" wide filters for increased flow. This housing...

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$52.49 - $52.49
$52.49
$52.49 - $52.49
$52.49
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
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...

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$8.50 - $8.50
$8.50
$8.50 - $8.50
$8.50
Sale Sale
iFilters Compatibles

iFilters Compatibles CB6 Compatible Carbon Block Water Filter Replacement – 0.5 Micron Under-Sink Cartridge for Multipure Aquaversa Systems

IF-CB6
in stock

$37.99
$37.99 - $37.99
$37.99
$34.99
$34.99 - $34.99
$34.99

Keep your drinking water clean, clear, and tasty with the iFilters Compatibles QC-CB6 Carbon Block Water Filter Replacement, designed for Multipure...

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$37.99
$37.99 - $37.99
$37.99
$34.99
$34.99 - $34.99
$34.99
Sale Sale
Hydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron - IFilters
Hydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron - IFilters
Hydronix

Hydronix 4 Pack CB-45-1005 Whole House, Hydroponics Carbon Block Water Filters CTO 4.5" x 10" - 5 micron

CB-45-1005/4
in stock

$67.95 - $67.95
$67.95
$67.95 - $67.95
$67.95

4 Pack Hydronix CB-45-1005 Coconut Shell Carbon Block water filter cartridge measures 4.5" x 10" standard. This filters offers a 5 micron nominal f...

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$67.95 - $67.95
$67.95
$67.95 - $67.95
$67.95
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...

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$49.99 - $49.99
$49.99
$49.99 - $49.99
$49.99
Inline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 3/8" Quick Connect
Hydronix

Inline RO Post Fridge Ice Coconut GAC Water Filter 2000 Gal, 3/8" Quick Connect

ICF-10Q38
in stock

$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00

Hydronix ICF-10Q38 inline coconut shell carbon filters have 3/8" quick-connect connections, and are suitable for drinking water filtration applicat...

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$11.00 - $11.00
$11.00
$11.00 - $11.00
$11.00
Hydronix NP-14 1/4" NPT Male Nipple Connector – Polypropylene, NSF Approved
Hydronix

Hydronix NP-14 1/4" NPT Nipple Male Connector, Polypropylene

NP-14
in stock
$0.95 - $0.95
$0.95
$0.95 - $0.95
$0.95

Hydronix NP-14 1/4" NPT Male Nipple Connector – Polypropylene, NSF Approved The Hydronix NP-14 is a high-quality 1/4" NPT male nipple connector des...

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$0.95 - $0.95
$0.95
$0.95 - $0.95
$0.95
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
FW-3 Big Blue Size Housing Wrench - IFilters
FW-3 Big Blue Size Housing Wrench - IFilters
Hydronix

FW-3 Big Blue Size Housing Wrench

FW-3
in stock

$6.00 - $6.00
$6.00
$6.00 - $6.00
$6.00

The FW-3 Wrench can be use to loosen Big Blue or Big Blue style filter housings when changing filters. The spanner wrench has four teeth. This FW-3...

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$6.00 - $6.00
$6.00
$6.00 - $6.00
$6.00
iFilters Compatibles

iFilters Compatibles IF2-CB8 Replacement Water Filter – 0.5 Micron Carbon Block for Amway E-84, E-85, A101 & E-9225 2 Pack

IF-CB8-2PK
in stock

$75.99 - $75.99
$75.99
$75.99 - $75.99
$75.99

Upgrade your drinking water with the iFilters Compatibles QC2-CB8 2-Pack Carbon Block Water Filters, a premium replacement for Amway E-84, E-85, A1...

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$75.99 - $75.99
$75.99
$75.99 - $75.99
$75.99
Aquatrol

Aquatrol - AQT-TH1-25 - 1" In and Out Water Softener or Filter Head For 2.5" Port Tanks

AQT-TH1-25
in stock

$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95

Aquatrol AQT-TH1-25 – 1" In & Out Water Softener or Filter Head for 2.5" Port Tanks The Aquatrol AQT-TH1-25 Water Softener & Filter Head is...

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$24.95 - $24.95
$24.95
$24.95 - $24.95
$24.95
4.5" X 20" CB
iFilters

CB5-4520 Whole House Carbon Block Water Filter, 5 Micron 4.5"x20"

CB5-4520
in stock

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

The CB5-4520 carbon block whole house filters have a particle retention Size of 5 microns. Perfect for Drinking water filtration as well as Whole H...

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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
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
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...

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$45.99 - $45.99
$45.99
$45.99 - $45.99
$45.99
O-RINGS Variations
Hydronix

O-Ring For HF45 Filter Housing

HF45-ORING
in stock

$2.55 - $2.55
$2.55
$2.55 - $2.55
$2.55

Replacement O-Ring for the Hydronix HF45 filter housings. Made from durable Buna-N material. This replacement O-Ring is made to be used with the Op...

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$2.55 - $2.55
$2.55
$2.55 - $2.55
$2.55
2 Pack Whole House RO Drinking Systems Coconut Carbon Water Filter 5 μm 2.5 x 10
2 Pack Whole House RO Drinking Systems Coconut Carbon Water Filter 5 μm 2.5 x 10
Hydronix

2 Pack Whole House RO Drinking Systems Coconut Carbon Water Filter 5 μm 2.5 x 10

CB-25-1005/2
in stock
$17.27 - $17.27
$17.27
$17.27 - $17.27
$17.27

Hydronix CB-25-1005 Carbon Block filters are NSF/ANSI Standard 42 certified for material and structural safety. CB-25-1005 filters have a particle ...

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$17.27 - $17.27
$17.27
$17.27 - $17.27
$17.27
KDF85-20B 20" Iron, Hydrogen Sulfide, Sulfur, and Scale Well Water Filter - IFilters
iFilters

KDF85-20B 20" Iron, Hydrogen Sulfide, Sulfur, and Scale Well Water Filter

KDF85-20B
in stock

$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99

KDF85-20B 4.5" x 20" Coconut GAC + KDF85 Big Blue size cartridge. For Well Water or City Whole House filtration as well as Commercial use. This fil...

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$89.99 - $89.99
$89.99
$89.99 - $89.99
$89.99
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-...

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