Memorial Day Deals | May. 20th – May. 28th

Memorial Day Deals | May. 20th – May. 28th

Up to $500 Off

Honor the Day with Pure Water & Big Savings.

00
Days
00
Hours
00
Mins
00
Secs

Subscribe to Get a $20 Off Coupon

On Orders of $300+ · Coupon Sent by Email

Subscribe Now
icon

Top Picks

icon
SAVE $240
800 GPD Tankless Reverse Osmosis System - Waterdrop G3P800

G3P800 Reverse Osmosis System

Widely Praised by 2,000,000 American Families

Trustpilot
$759.00 $999.00
Buy Now
SAVE $260
Waterdrop X Series Reverse Osmosis System, X12

X12 Reverse Osmosis System

2025 Waterdrop Top-Selling Tankless RO System

Trustpilot
$1,039.00 $1,299.00
Buy Now
SAVE $500
Waterdrop X Series Undersink Reverse Osmosis System, X16

X16 Reverse Osmosis System

Awarded World’s Fastest Tankless RO System

Trustpilot
$1,499.00 $1,999.00
Buy Now
SAVE $110
G3P600 Reverse Osmosis System - Waterdrop G3P600

G3P600 Reverse Osmosis System

Embrace A Greener Lifestyle With Eco-friendly Ro System

Trustpilot
$429.00 $539.00
Buy Now
SAVE $100
Waterdrop Reverse Osmosis Hot Cold Water Dispenser, A2

A2 Hot Cold Reverse Osmosis System

Cool to Hot in One Touch

Trustpilot
$399.00 $499.00
Buy Now
SAVE $120
Waterdrop Reverse Osmosis Hot Cold Water Dispenser, A1

A1 Hot Cold Reverse Osmosis System

Superior Cooling and Heating Performance

Trustpilot
$529.00 $649.00
Buy Now
icon

New Arrivals

icon
SAVE $100 Waterdrop M6H Instant Hot Reverse Osmosis System, Countertop RO Filter
NEW

Waterdrop M6H Instant Hot Reverse Osmosis System, Countertop RO Filter

UV Sterilization

Heat Instantly

3:1 Pure to Drain

7-Stage Filtration

Detachable Glass Pitcher

$329.00 $429.00
Buy Now
Waterdrop Instant Hot and Cold Countertop Water Filter Dispenser CT01
NEW

Waterdrop Instant Hot and Cold Countertop Water Filter Dispenser CT01

59°F - 203°F Temp

1.32gal Ultra-Capacity

Advanced 6-Stage Filtration

Skip Plastic, Go Green

NSF/ANSI 42 & 372 Certification

$269.99
Buy Now
SAVE $150 Waterdrop Y1CH Mineral Reverse Osmosis Bottleless Water Cooler, Silver
NEW

Waterdrop Y1CH Mineral Reverse Osmosis Bottleless Water Cooler, Silver

1600 GPD Rapid Flow

11-stage RO Filtration

Healthy Alkaline Minerals

Smart & Elegant Design

Eco-wise Water Choice

$539.00 $689.00
Buy Now
icon

Best Sellers

icon
View All >>

Exclusive Deals Ends In :

00
Days
00
Hours
00
Mins
00
Secs
SAVE $240 Waterdrop Instant Hot Water Dispenser, Reverse Osmosis System, K6

Waterdrop Instant Hot Water Dispenser, Reverse Osmosis System, K6
Trustpilot

Instant Hot & Always Pure

600 GPD High Flow Rate

Reduces 98% PFOA & PFOS

$559.00 $799.00
Buy Now
SAVE $200 Waterdrop X Series Alkaline Reverse Osmosis System, X8-A

Waterdrop X Series Alkaline Reverse Osmosis System, X8-A
Trustpilot

10-Stage Precise Filtration

800 GPD Large Capacity

Healthy Alkaline Minerals

$599.00 $799.00
Buy Now
SAVE $70 Waterdrop G5P700A Alkaline Reverse Osmosis Water Filter

Waterdrop G5P700A Alkaline Reverse Osmosis Water Filter
Trustpilot

7-Stage Filtration

Healthy Alkaline Minerals

700GPD High-Speed Flow

$289.99 $359.99
Buy Now
SAVE $80 Waterdrop G2 Reverse Osmosis System for Home

Waterdrop G2 Reverse Osmosis System for Home
Trustpilot

NSF/ANSI 372 Certified

7-Stage Filtration with RO Membrane

Rapid & Steady Water Flow, No Waiting

$219.99 $299.99
Buy Now
SAVE $90 Countertop Remineralization Reverse Osmosis Water Filter System K19-SFK

Countertop Remineralization Reverse Osmosis Water Filter System K19-SFK
Trustpilot

Advanced 7-stage Filtration

Healthy Alkaline Minerals

NSF/ANSI 53 & 58 & 42 Certified

$259.00 $349.00
Buy Now
SAVE $60 Waterdrop C1H Instant Hot Water Reverse Osmosis System

Waterdrop C1H Instant Hot Water Reverse Osmosis System
Trustpilot

6-Stage RO Filtration

3-Second Instant Heating

Smart Touch, Maximum Convenience

$239.00 $299.00
Buy Now
SAVE $40 Waterdrop Remineralization Countertop CoreRO System C1SL

Waterdrop Remineralization Countertop CoreRO System C1SL
Trustpilot

Advanced 7-stage Filtration

Healthy Alkaline Minerals

NSF/ANSI 58 & 372 Certified

$229.00 $269.00
Buy Now
icon

Shop by Category

icon

RO Systems

Undersink

Whole House

Countertop

9000+

4.7/5

Trustpilot

4.9/5

Amazon

9000+
I find myself actually drinking more water because it tastes so good.
Compare now
SAVE $240 Waterdrop X Series Dual Flow Reverse Osmosis System, X8-PRO
Waterdrop X Series Dual Flow Reverse Osmosis System, X8-PRO
$659.00 $899.00

Remove 99% of Lead | Dual Water Flow

Buy Now
SAVE $50 Waterdrop G5P700-PRO Dual-Flow Reverse Osmosis Water Filter
Waterdrop G5P700-PRO Dual-Flow Reverse Osmosis Water Filter
$359.99 $409.99

Dual Water Paths

Buy Now
SAVE $80 Waterdrop T3-M 450G Remineralization RO Under the Sink Water Filter
Waterdrop T3-M 450G Remineralization RO Under the Sink Water Filter
$199.99 $279.99

Remove 99% of Lead | Alkaline Minerals

Buy Now
SAVE $100 Waterdrop M1 Instant Hot RO Countertop Water Dispenser
Waterdrop M1 Instant Hot RO Countertop Water Dispenser
$279.00 $379.00

Remove 99% of Lead

Buy Now
SAVE $70 Waterdrop G5P700 Reverse Osmosis Water Filter
Waterdrop G5P700 Reverse Osmosis Water Filter
$279.99 $349.99

Remove 99% of Lead

Buy Now
SAVE $30 Waterdrop G5P500 Reverse Osmosis Water Filter
Waterdrop G5P500 Reverse Osmosis Water Filter
$219.99 $249.99

Remove 99% of Lead

Buy Now

Spin to Win

Spin Your Luck

Click 'SPIN' for a chance to win!

Each spin costs -- points.

coins
Winner List
Rules
Rules
Ribbon

Rules
Lottery Records
icon

Points Redemption

icon
Redeem More>>
icon

Subscribe & Save Big

icon
Never Run Out of Cleaner Water

Never Run Out of Cleaner Water

Enjoy Hassle-Free Deliveries of Replacement Filters, Keeping Your Water Fresh and Pure.

Free Shipping

Up To 10% Off Every Time

Auto-delivery

Cancel Anytime

For RO System For Undersink For Countertop For Wholehouse

Terms and Conditions

Promotional Period
The Waterdrop Memorial Day Deals promotion will begin at 12:00 AM PDT on May. 20th, 2026, and ends at 11:59 PM PDT on May. 28th, 2026.
Eligibility
This promotion is available to all U.S. residents with a valid shipping address in the continental U.S. who are 18 years or older as of May. 20th, 2026 (here in after referred to as "Participants").
1. Coupon Terms
-Only one coupon can be applied per order. -Extra discount codes from events (e.g., Spin the Wheel) can be used on all products but cannot be combined with exclusive discounts. -Customers may choose to apply for a coupon, purchase-related discounts, or other available offers. Note that purchase-related discounts will be void if another discount is applied at checkout. -Coupons are valid only for U.S. customers.
2. Price Match Policy
At Waterdrop, we highly value our customers' shopping experience. That's why we offer a 30-day price match guarantee. If you happen to notice a price reduction on the item you purchased at Waterdrop within 30 days of your purchase, you are eligible to claim a price-match refund. To request a refund, please contact us at email. We are here to assist you promptly.
3. Refund policy
-You are eligible to return any item(s) within 30 days of receipt. -All returned items must be disassembled and repackaged as they were originally received. -The 30-day risk-free return policy applies to all item(s). -No restocking fee will be charged, but customers are responsible for the return shipping cost. We will cover the return postage expenses in the case of any return requests related to a quality issue. -Please note that the 30-day risk-free return policy is only valid for orders within the continental United Kingdom. For details, you can learn about our service policy.
4. General Terms
If you encounter any issues during the promotional period, please contact us at email for assistance. Waterdrop reserves the right to modify or cancel the promotion at any time, as permitted by applicable law. We also reserve the right to exclude any customer from the promotion in cases of fraud or abuse. Participants agree to be bound by these terms and understand that Waterdrop’s decisions are final and binding. No correspondence or appeals regarding the promotion will be entertained. Waterdrop reserves the right to make final interpretations regarding this promotion. During the promotion, all orders must comply with Waterdrop's purchase agreement and return policy. This promotion is not available for wholesale or distributor orders. Unauthorized or fraudulent activities will result in disqualification from the promotion. Participants must comply with all applicable laws and regulations. Waterdrop reserves the right to modify, suspend, or terminate the promotion at any time. Any updates will be announced on Waterdrop's official website. Waterdrop is not responsible for delays caused by reasons beyond its control, including, but not limited to, network transmission failures. Waterdrop is not liable for any direct or indirect losses or damages incurred by either party (including participants) due to actions or negligence related to the promotion. Participants agree to release Waterdrop from any claims, including those arising from breach of contract, tort, negligence, or other legal or equitable causes related to participation in the promotion.