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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

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SP30-KDF1-4510 Variations
iFilters

iFilters SP30-KDF1-4510 Sediment and GAC/KDF Replacement Filter - 4.5" x 10"

SP30-KDF1-4510
in stock

$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00

iFilters SP30-KDF1-4510 Whole House Sediment & GAC/KDF Replacement Filter – 4.5" x 10" Upgrade your home's water filtration with the iFilters S...

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$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00
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iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set Sediment, Rust & CTO Filters - IFilters
SG-GAC-SET Variations
iFilters

iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set Sediment, Rust & CTO Filters

SG-GAC-SET
in stock

$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

iFilters SG-GAC-SET (LWH-D Version 2) OEM Replacement Filter Set – Sediment & Carbon GAC Upgrade your iFilters LWH-D Whole House Filtration Sys...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
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(2 Pack) Genuine Hydro Guard HDG-CB6-14/2 - CB6 Carbon Block Water Filter For MP Systems
HDG-CB-6-14 Variations
Hydro Guard

(2 Pack) Genuine Hydro Guard HDG-CB6-14/2 - CB6 Carbon Block Water Filter For MP Systems

HDG-CB6-14/2
in stock

$64.99 - $64.99
$64.99
$64.99 - $64.99
$64.99

(2 Pack) Genuine Hydro Guard HDG-CB6-14 Carbon Block Water Filter – Compatible with MP Systems Only looking for 1 filter? Order here: HDG-CB6-14 Th...

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$64.99 - $64.99
$64.99
$64.99 - $64.99
$64.99
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SP30-KDF1-4510 Variations
iFilters

iFilters SP30-KDF2-4520 Whole House Sediment & KDF Water Filter Set, 30 Micron 4.5"x20"

SP30-KDF2-4520
in stock

$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00

iFilters SP30-KDF2-4520 Whole House Sediment & KDF Water Filter Set – 30 Micron, 4.5" x 20" Upgrade your home's water filtration system with th...

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$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00
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iFilters SG5-P1-SET (LWH-D) Replacement Filter Set - Whole House 2 Stage Sediment - Rust & CTO Filters - 2.5 x 10 - Interchangeable with AP117 & AP110 Filter Models - IFilters
SG-GAC-SET Variations
iFilters

iFilters SG5-P1-SET (LWH-D) Replacement Filter Set - Whole House 2 Stage Sediment - Rust & CTO Filters - 2.5 x 10 - Interchangeable with AP117 & AP110 Filter Models

SG5-P1-SET
in stock

$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99

iFilters SG5-P1-SET (LWH-D) Replacement Filter Set – Whole House 2-Stage Sediment & CTO Filtration Premium OEM Replacement Filters for Whole Ho...

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$24.99 - $24.99
$24.99
$24.99 - $24.99
$24.99
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iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron - IFilters
iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron
iFilters

iFilters CBSM-2510 Coconut Shell CTO, Carbon Block Drinking Water Filter, 2.5 x 10, 0.5 Micron

CBSM-2510
in stock

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

iFilters CBSM-2510 Coconut Shell CTO Carbon Block Drinking Water Filter – 2.5" x 10", 0.5 Micron High-Performance Filtration for Clean, Great-Tasti...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
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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
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PRO+AQUA FC-PK-100E
PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set – 3-Stage, 20", 5 Micron
PRO+AQUA

PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set 3 Stage 20", 5 Micron

FC-PK-100E
in stock

$151.95 - $151.95
$151.95
$151.95 - $151.95
$151.95

PRO+AQUA FC-PK-100E Whole House Heavy Metals Well Water Filter Replacement Set – 3-Stage, 20", 5 Micron Upgrade your PRO+AQUA PRO-100-E Filtration ...

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$151.95 - $151.95
$151.95
$151.95 - $151.95
$151.95
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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

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

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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$39.99 - $39.99
$39.99
$39.99 - $39.99
$39.99
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(2 Pack) Smart Pack Water Filters IF2-CB8 (CB8) Carbon Block Water Filter Compatible with Amway E-84, E-85, A101, E-9225- 2 Pack
Smart Pack

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

IF2-CB8
in stock

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

Upgrade your drinking water with the Smart Pack QC2-CB8 2-Pack Carbon Block Water Filters, a premium replacement for Amway E-84, E-85, A101, and E-...

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$75.99 - $75.99
$75.99
$75.99 - $75.99
$75.99
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PRO+AQUA FC-PK19-100E Replacement Filter Set for PRO-100-E ELITE GEN2 System, Sediment, KDF/Blend, Carbon Infused - IFilters
PRO+AQUA ELITE GEN2 Three-Stage Replacement Filter Set for PRO-100-E GEN2 System. Includes ACB - FC-19-ACB, CRK - FC-19-CRK and SED - FC-19-SED
PRO+AQUA

PRO+AQUA FC-PK19-100E Replacement Filter Set for PRO-100-E ELITE GEN2 System, Sediment, KDF/Blend, Carbon Infused

FC-PK19-100E
in stock

$0.00 - $0.00
$0.00
$151.95
$151.95 - $151.95
$151.95

PRO+AQUA ELITE GEN2 Three-Stage Replacement Filter Set for PRO-100-E GEN2 System Advanced Whole House Filtration for Superior Water Quality Designe...

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$0.00 - $0.00
$0.00
$151.95
$151.95 - $151.95
$151.95
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(2 Pack) Smart Pack Water Filters IF2-HDG-CB-6-14 CB6 Carbon Block Water Filter Replacement, MP MPC Systems
(2 Pack) Smart Pack Water Filters IF2-HDG-CB-6-14 CB6 Carbon Block Water Filter Replacement, MP MPC Systems
Smart Pack

Smart Pack CB6 2-Pack 0.5-Micron Carbon Block Under-Sink Water Filter Replacement | Multipure Aquaversa Compatible – 2.5″ x 6.5″

IF2-HDG-CB-6-14
in stock

$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00

Deliver fresh, better-tasting water to your home with the Smart Pack QC-CB6 2-Pack Carbon Block Replacement Filters, made for Multipure Aquaversa a...

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$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00
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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...

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$19.99 - $19.99
$19.99
$19.99 - $19.99
$19.99
PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt - IFilters
PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt - IFilters
PRO+AQUA

PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System Iron, Sulfur, Manganese, 1 CuFt

PRO-WELL-1E
in stock

$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99

PRO+AQUA PRO-WELL-1E Whole House Well Water Filter System – Iron, Sulfur, Manganese, 1 CuFt The PRO+AQUA PRO-WELL-1E Whole House Well Water Filter ...

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$599.99 - $599.99
$599.99
$599.99 - $599.99
$599.99
iFilters LWH-D Whole House Water Filter System Sediment CTO City/Well Water Filtration - IFilters
LWH-D Variations
iFilters

iFilters LWH-D Whole House Water Filter System Sediment CTO City/Well Water Filtration

LWH-D
in stock

$85.99 - $85.99
$85.99
$85.99 - $85.99
$85.99

iFilters LWH-D Whole House Dual Stage Water Filter System For Sediment & CTO Filtration – Ideal for City & Well Water The iFilters LWH-D is...

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$85.99 - $85.99
$85.99
$85.99 - $85.99
$85.99
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iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter Set – 5 Micron, 4.5" x 20"
iFilters

iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter, 5 Micron 4.5"x20"

SW-CB5-4520
in stock

$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99

iFilters SW-CB5-4520 Whole House Sediment & Carbon Block Water Filter Set – 5 Micron, 4.5" x 20" Premium Dual-Stage Whole House Filtration for ...

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$59.99 - $59.99
$59.99
$59.99 - $59.99
$59.99
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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 Smart Pack Water Filters IF-CB6 (CB6) Carbon Block Water Filter Replacement, MP MPC Systems
iFilters Smart Pack Water Filters IF-CB6 (CB6) Carbon Block Water Filter Replacement, MP MPC Systems
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Smart Pack

Smart Pack 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 Smart Pack QC-CB6 Carbon Block Water Filter Replacement, designed for Multipure Aquaversa...

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$37.99
$37.99 - $37.99
$37.99
$34.99
$34.99 - $34.99
$34.99
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Hydro Guard HDG-45 (Drop In) Reverse Osmosis Filter Replacement Set
Hydro Guard

Hydro Guard HDG-45-SET (Drop In) Reverse Osmosis Filter Replacement Set

HDG-45-SET
in stock

$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00

OEM Replacement Water Filter Cartridge Set for Hydro Guard HDG-45-SET 4-Stage Drop-In Reverse Osmosis System Keep your water filtration system oper...

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$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
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Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane - IFilters
Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane - IFilters
Smart Pack

Reverse Osmosis Replacement Filter Set RO Cartridges 4 stage w/ 50 GPD Membrane

RO-50KIT4
in stock

$37.00 - $37.00
$37.00
$37.00 - $37.00
$37.00

4 Stage NSF Reverse Osmosis RO Replacement Water Filter Set with 50 GPD Membrane. For most standard 4 Stage RO system. Sediment, CTO Carbon Block, ...

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$37.00 - $37.00
$37.00
$37.00 - $37.00
$37.00
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RP-3500 Replacement Water Filter, 1000 Gal, Compatible with Frescapure 3500 WF0451 - IFilters
RP-3500 Variations
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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Dual Stage Drinking Water Filter Replacement Set, filters VOC Mercury Lead
Dual Stage Drinking Water Filter Replacement Set, filters VOC Mercury Lead
Smart Pack

Smart Pack 0.5 & 5 Micron Carbon Block Under-Sink RO Replacement Set | GXSV10R Compatible – 2.5" x 10"

IF2-CB-2510-D
in stock

$29.99 - $29.99
$29.99
$29.99 - $29.99
$29.99

The Smart Pack Dual-Stage Under Sink Replacement Set includes two purpose-built filters designed to keep your water crisp, clean, and great-tasting...

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$29.99 - $29.99
$29.99
$29.99 - $29.99
$29.99
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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...

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$23.00 - $23.00
$23.00
$23.00 - $23.00
$23.00
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iFilters GAC Carbon Water Filter Cartridge for LWHGAC V2, LWH-D V2 Systems - IFilters
iFilters

iFilters GAC Carbon Water Filter Cartridge for LWHGAC V2, LWH-D V2 Systems

GAC-2509
in stock
$15.99 - $15.99
$15.99
$15.99 - $15.99
$15.99

The GAC-2509 Premium Carbon GAC Water Filter is a Granular Activated Coconut Shell Carbon filter that Removes Chlorine, taste and Odor and has a Hi...

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