Undersink Water Filter

Affordable & Efficient

High Water Flow & Easy Installation

Clean Water, Simplified, Upgrade to Undersink Filter

Compare > Check Tap Water >

Shopping by:

Product Type

Filtration Type

Family Size
Not sure which one to choose?
 wd-collection-sidebar-choose-img
Let our experts recommend you.
Which water filtration is right for you?
 wd-collection-sidebar-choose-img
Find the right reverse osmosis system for home.
Is Your Tap Water Safe to Drink?
wd-collection-sidebar-choose-img
Check your tap water quality via EWG tap water database.

Multi-stage Systems

6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF

6-stage Under Sink Ultrafiltration Stainless Steel Water Filter System Waterdrop TST-UF

Trustpilot
$149.99 $189.99
$189.99
Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W

Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W

Trustpilot
$139.99 $189.99
$189.99
3-stage Under Counter Direct Connect Filtration System Waterdrop TSA

3-stage Under Counter Direct Connect Filtration System Waterdrop TSA

Trustpilot
$99.99 $139.99
$139.99
3-stage Under Counter Water Filter System with Dedicated Faucet Waterdrop TSB

3-stage Under Counter Water Filter System with Dedicated Faucet Waterdrop TSB

Trustpilot
Undersink-z-TSB
$99.36 $143.99
$143.99
Ultrafiltration Under Sink Water Filter System Waterdrop TSU-B

Ultrafiltration Under Sink Water Filter System Waterdrop TSU-B

Trustpilot
$189.99
$189.99
Black
Black
Black 2 Year Package
Black 2 Year Package
White
White
Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W With 2 Year Package

Ultrafiltration Under Sink Water Filter System Waterdrop TSU-W With 2 Year Package

Trustpilot
$219.99 $289.99
$289.99

3-stage Ultra Filtration Under Sink Water Filter System Waterdrop TSA-UF

Trustpilot
$149.99
$149.99

3-stage Under Sink Water Filter with Dedicated Faucet Waterdrop TSB-ALK

Trustpilot
Undersink-z-TSB
$149.99
$149.99
Sort by
  • Featured
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old