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

Cart

Cart

/

/

/

Under Sink Water Filters

sponsored banner

Under Sink Water Filters

141 Results

Filters

Filters

Get It Fast

In Stock at Store Today

Free 1-2 Day Delivery

Department

Plumbing
Water Filters

Under Sink Water Filters

Under Sink Water Filter Replacements
Under Sink Water Filter Systems

Review Rating

5

4 & Up

3 & Up

2 & Up

1 & Up

5 4 & Up 3 & Up 2 & Up 1 & Up 0

Brand

Swift Green Filters

ISPRING

Express Water

APEC Water Systems

Home Master

AQUASURE

ANCHOR WATER FILTERS

DRINKPOD

KOHLER

PRO+AQUA

CuZn

Waterdrop

Price

to

$10 - $20

$20 - $30

$30 - $40

$40 - $50

$50 - $100

$100 - $150

$150 - $200

$200 - $250

$250 - $300

$300 - $400

$400 - $500

$500 - $600

$600 - $700

$1000 - $2000

Special Values

Filtration Method

Coconut Shell Carbon

Sediment

GAC

Carbon Block

CTO

Activated Carbon

Polypropylene

Thin Film Composite Membrane

Alkaline or Calcite

Chemical Absorption

KDF

Ultraviolet Light

Mechanical Filtration

Remineralizer

Sand

Coconut Carbon

Nanofiltration

Mineral Stones

Deionization

Hollow Fiber Membrane

Calcium Carbonate and Magnesium Oxide

Charcoal

Polyphosphate

Ultrafiltration

Filter Life (Months)

5 mo

6 mo

12 mo

24 mo

36 mo

60 mo

Reduces

Lead

Odor

Chlorine Taste

Cysts

Chlorine

Chloramine

Arsenic

Copper

Iron

Bacteria

Fluoride

PFAs

Microplastics

PFOA/PFOS

Mercury

Sand

Rust

Sediment

Sulphur

Other

Features

Twist and lock design

Automatic shutoff

No additional features

Indicator light(s)

Connection Type

Dedicated Faucet

Inline

Number of Stages

1 Stage

2 Stage

3 Stage

4 Stage

5 Stage

6 Stage

7 Stage

9 Stage

10 Stage

House Hold Size

3-4 people

5-7 people

8+ people

Unspecified

Sort by

Top Sellers

APEC Water Systems
Essence Premium Quality 5-Stage Under-Sink Reverse Osmosis Drinking Water Filter System

Model# ROES-50

$199.95

ISPRING
NSF-Certified 6-Stage Reverse Osmosis System w/ Alkaline Remineralization, Reduces PFAS, Fluoride, Chromium, Lead, TDS

Model# RCC7AK

$239.99

APEC Water Systems
Essence Premium Quality 75 GPD pH+ Alkaline Mineral Under-Sink Reverse Osmosis Drinking Water Filter System

Model# ROES-PH75

$229.95

APEC Water Systems
Essence Series Top Tier 5-Stage Under-Sink Reverse Osmosis Water Filtration System Extra Replacement Pre-Filter Set

Model# ROES-50X

$219.99

APEC Water Systems
Ultimate Premium Quality Fast Flow 90 GPD Under-Sink Reverse Osmosis Drinking Water Filter System

Model# RO-Hi

$281.95

Express Water
Reverse Osmosis 5 Stage Water Filtration System - NSF Certified - Faucet, Tank and 4 Filters - 50 GPD

Model# RO5DX

$169.99

ISPRING
NSF-Certified 7-Stage Reverse Osmosis System with Alkaline and UV Filters, Reduces PFAS, Chloramine, Lead, Fluoride, TDS

Model# RCC7AK-UV

$339.90

Express Water
Reverse Osmosis Alkaline Water Filtration System - 10 Stage RO Water Filter with Faucet and Tank - 100 GPD

Model# ROALK10M

$199.99

APEC Water Systems
Essence 6-Stage Alkaline Mineral PH Under-Sink Reverse Osmosis Drinking Water Filter System with Extra Pre-Filter Set

Model# ROES-PH75X

$259.99

ISPRING
NSF-Certified 500 GPD Tankless RO Water System w/ Alkaline and UV, Reduces PFAS, Lead, Fluoride, Brushed Nickel Faucet

Model# RO500AK-BN+UVF8

$681.99

New

CuZn
50000 Gal. 5-Year Ultra Long Lasting Under-Sink Water Filter System with Direct Connect to Kitchen Faucet, NSF Certified

Model# UC-200

$134.95

Was $149.95

Save $15.00 (10%)

Top Rated

Express Water
Reverse Osmosis Alkaline Ultraviolet Water Filtration System - 100 GPD (Modern Brushed Nickel Faucet)

Model# ROALKUV10MBN

$259.99

Download Our App

How doers get more done™

Need Help? Visit our Customer Service Center

Support

Customer Service Center
Check Order Status
Pay Your Credit Card
Order Cancellation
Return Policy
Refund Policy
Shipping & Delivery
Product Recalls
My Preference Center
Privacy & Security Center

Resources

Specials & Offers
Military Discount Benefit
DIY Projects & Ideas
Truck & Tool Rental
Installation & Services
Moving Supplies & Rentals
Protection Plans
Rebate Center
Gift Cards
Catalog
Subscriptions

About Us

Careers
Corporate Information
Digital Newsroom
Home Depot Foundation
Investor Relations
Government Customers
Suppliers & Providers
Affiliate Program
Eco Actions
Corporate Responsibility
Home Depot Licensing Information

Special Financing Available everyday*

Pay & Manage Your Card Credit Offers

Get $5 off when you sign up for emails with savings and tips.

Home Depot Blog

Home Depot on YouTube

Home Depot Mobile Apps

Our Other Sites

The Home Depot Canada

The Home Depot México

Shop Our Brands

Need Help?

Visit ourCustomer Service Center orText 38698

© 2000-2025 Home Depot. All Rights Reserved. Use of this site is subject to certain Terms Of Use.

Local store prices may vary from those displayed. Products shown as available are normally stocked but inventory levels cannot be guaranteed.

For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts).

Store Locator|
©2000-2025 Home Depot|
Privacy & Security Statement|
Terms|
My Preference Center|
California Privacy Rights & Report|
Limit the Use of My Sensitive Personal Information|
Do Not Sell or Share My Personal Information|
California Supply Chain Act
Site Map
Store Directory

Provide Feedback