Specials & Offers
Appliances
Bath
Blinds & Window Treatments
Building Materials
Lumber & Composites
Cleaning
Home Décor
Lighting
Doors & Windows
Electrical
Flooring
Hardware
Heating, Venting & Cooling
Kitchen
Garden Center
Outdoors
Paint
Plumbing
Holiday Decorations
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Home Depot Gift Cards
Credit Card Services
Home Services
Home Depot Rental
Pro Services & Contractor Supply
Project Calculators
DIY Projects and Ideas
Local Ad
Store Finder
Site Map
#1 Home Improvement Retailer
Select store
...
...
Cart
Select store
...
...
Shop All
Services
DIY
Log In
Cart
...
Home
/
Plumbing
/
Water Filters
/
Under Sink Water Filters
/
Under Sink Water Filter Systems
Under Sink Water Filter Systems
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Filters
Filters
Clear All
Includes: Installation kit
Connection Type: Dedicated Faucet
Ease of Install: Easy Install
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Same-Day Delivery
Department
Plumbing
Water Filters
Under Sink Water Filters
Under Sink Water Filter Systems
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
GE
Culligan
ISPRING
APEC Water Systems
ANCHOR WATER FILTERS
UKISHIRO
eSoft
InSinkErator
Home Master
PureDrop
Waterdrop
Brio
EcoPure
Olympia Water Systems
PENTAIR
PRO+AQUA
Price
to
Apply
$20 - $30
$50 - $100
$100 - $150
$150 - $200
$200 - $250
$250 - $300
$300 - $400
$400 - $500
$500 - $600
$600 - $700
$1000 - $2000
Special Values
Connection Type
Dedicated Faucet
Inline
Includes
Installation kit
Faucet
Filter
Hardware
Number of Stages
1 Stage
2 Stage
3 Stage
4 Stage
5 Stage
6 Stage
7 Stage
9 Stage
Filtration Method
Carbon Block
Ultraviolet Light
Sand
GAC
Sediment
Activated Carbon
Coconut Shell Carbon
Thin Film Composite Membrane
Polypropylene
CTO
Alkaline or Calcite
Chemical Absorption
Mechanical Filtration
Remineralizer
Mineral Stones
Hollow Fiber Membrane
KDF
Coconut Carbon
ORP Balls
Deionization
Ultrafiltration
Reduces
Chlorine
Lead
Bacteria
Fluoride
Copper
Iron
Chlorine Taste
Sediment
Rust
Chloramine
Odor
Other
Sand
Arsenic
PFAs
Cysts
Mercury
PFOA/PFOS
Microplastics
Sulphur
Features
Automatic shutoff
Indicator light(s)
No additional features
Twist and lock design
House Hold Size
1-2 people
3-4 people
5-7 people
8+ people
Unspecified
Filter Life (Months)
6 mo
12 mo
18 mo
24 mo
36 mo
60 mo
View Results
All Filters
Connection Type
Includes
Number of Stages
Filtration Method
Brand
Includes: Installation kit
Connection Type: Dedicated Faucet
Ease of Install: Easy Install
Clear All
60 Results
Sort by
Top Sellers
$
129
.
00
(156)
Model# GXK255TBN
GE
Under Sink Dual Stage Water Filtration System with Faucet
Add to Cart
$
216
.
98
(222)
Model# GXRV40TBN
GE
Under Sink 5 Stage Premium Reverse Osmosis Water Filtration System
Add to Cart
Best Seller
$
199
.
95
(1784)
Model# ROES-50
APEC Water Systems
Essence Premium Quality 5-Stage Under-Sink Reverse Osmosis Drinking Water Filter System
Add to Cart
$
215
.
96
(730)
Model# ROES-PH75
APEC Water Systems
Essence Premium Quality 75 GPD pH+ Alkaline Mineral Under-Sink Reverse Osmosis Drinking Water Filter System
Add to Cart
$
219
.
99
(1640)
Model# ROES-50X
APEC Water Systems
Essence Series Top Tier 5-Stage Under-Sink Reverse Osmosis Water Filtration System Extra Replacement Pre-Filter Set
Add to Cart
$
197
.
09
(788)
Model# RCC7AK
ISPRING
NSF-Certified 6-Stage Reverse Osmosis System w/ Alkaline Remineralization, Reduces PFAS, Fluoride, Chromium, Lead, TDS
Add to Cart
More Options Available
$
516
.
46
(170)
Model# RO500AK
ISPRING
NSF-Certified 500 GPD Tankless Reverse Osmosis System w/ Alkaline, Reduces PFAS, Lead, Fluoride, Brushed Nickel Faucet
Add to Cart
Limit 2 per order
$
305
.
99
Was
$359.99
Save
$54.00
(15%)
(390)
Model# RO-PH90
APEC Water Systems
Ultimate Premium Quality 90 GPD pH+ Alkaline Mineral Under-Sink Reverse Osmosis Drinking Water Filter System
Add to Cart
$
218
.
59
(565)
Model# RO-90
APEC Water Systems
Ultimate Premium Quality WQA Certified 90 GPD Under-Sink Reverse Osmosis Drinking Water Filter System
Add to Cart
New
$
259
.
99
(667)
Model# ROES-PH75X
APEC Water Systems
Essence 6-Stage Alkaline Mineral PH Under-Sink Reverse Osmosis Drinking Water Filter System with Extra Pre-Filter Set
Add to Cart
$
178
.
19
(735)
Model# RCC7
ISPRING
NSF-Certified 5-Stage Reverse Osmosis Water Filter System, Reduces PFAS, Chloramine, Lead, Fluoride, TDS
Add to Cart
$
275
.
09
(477)
Model# RO-Hi
APEC Water Systems
Ultimate Premium Quality Fast Flow 90 GPD Under-Sink Reverse Osmosis Drinking Water Filter System
Add to Cart