#1 Home Improvement Retailer

Cart

Cart

Home
Plumbing
Water Filters
Under Sink Water Filters

Under Sink Water Filters

Get It Fast

caret-icon
Filters
Filters
Clear All

Get It Fast

caret-icon

Department

caret-icon
Under Sink Water Filters

Review Rating

caret-icon

Brand

caret-icon

Price

caret-icon
to

Filtration Method

caret-icon

Filter Life (Months)

caret-icon

Features

caret-icon

Reduces

caret-icon

Connection Type

caret-icon

Number of Stages

caret-icon

House Hold Size

caret-icon
Categoryopen arrow
Filtration Methodopen arrow
Filter Life (Months)open arrow
Featuresopen arrow
Reducesopen arrow
448 Results

    Sort by

    Top Sellers
Under Sink Replacement Filter
$42.95
(139)
Model# FQK1R
Under Sink Single Stage High Flow Water Filtration System
$74.85
(104)
Model# GXK140TNN
Best Seller
Dual Flow Replacement Water Filters - Advanced Filtration
$53.51
Buy 3 or more $48.16
(769)
Model# FQK2J
Single Stage Water Filtration System
$34.72
(243)
Model# GX1S01R
Under Sink Dual Stage Water Filtration System with Faucet
$129.00
(153)
Model# GXK255TBN
Best Seller
Under Sink 5 Stage Premium Reverse Osmosis Water Filtration System
$216.98
(221)
Model# GXRV40TBN
Universal Single Stage Replacement Water Filter Cartridge
$14.92
Buy 6 or more $13.43
(296)
Model# FXUTC
Universal Single Stage Replacement Water Filter Cartridge
$32.96
Buy 4 or more $29.66
(207)
Model# FXULC
Best Seller
Essence Premium Quality 5-Stage Under-Sink Reverse Osmosis Drinking Water Filter SystemEssence Premium Quality 5-Stage Under-Sink Reverse Osmosis Drinking Water Filter System
$199.95
(1780)
Model# ROES-50
Reverse Osmosis Water Filtration System 800GPD Tankless 3-Stage Under-Sink with UV Sterilizer 1 Extra CF Filter
Limit 50 per order
$699.00
Was $782.99
 Save $83.99 (11%)
(13)
Model# B-WD-G3P800-CFSET
APEC ROTL-600 Tankless Reverse Osmosis Water Filtration System, RO Water Filter Cartridge with Replacement Alert 3-Stage
Limit 2 per order
$649.99
(8)
Model# ROTL-600
Reverse Osmosis Water Filtration System 600GPD Tankless 3-Stage Under-Sink NSF Certified with 1 Extra CF Filter
Limit 50 per order
$425.99
Was $627.99
 Save $202.00 (32%)
(11)
Model# B-WD-G3P600-CFSET