RO System Replacement Filters

Enjoy clean and safe drinking water at all times with hassle-free ordering of filters!
All
Undersink
Countertop
X16
X12
G3P800
G3P600
K6
X8
X12-PRO
X8-PRO
X12-Basic
D6
G2P600
G2P400
G3P400
D4
A1
A2
K19S
K19H
C1S
C1H
M1
K19-SFK
C1SL
N1
M5
X16
X12
G3P800
G3P600
K6
X8
X12-PRO
X8-PRO
X12-Basic
D6
G2P600
G2P400
G3P400
D4
A1
A2
K19S
K19H
C1S
C1H
M1
K19-SFK
C1SL
N1
M5
Replacements For
X16 Undersink RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1A lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
WD-N1-MRO replacement for waterdrop WD-N1-W countertop ro water filtration system
$52.99
Replacement for N1
Buy now
Waterdrop N1 Countertop RO System Replacement Filters Set
$128.97
Replacement for N1
Buy now
Replacements For
X12 RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1A lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
WD-N1-MRO replacement for waterdrop WD-N1-W countertop ro water filtration system
$52.99
Replacement for N1
Buy now
Replacements For
G3P800 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, CB lasts 12 months, and RO lasts 24 months.
Replacement Filters
Bundles
Replacements For
G3P600 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, CB lasts 12 months, and RO lasts 24 months.
Replacement Filters
Bundles
Replacements For
K6 Instant Hot RO System
Enjoy hassle-free filtration with easy 3-second replacements. KJF lasts 12 months.
Replacement Filters
Bundles
Replacements For
X8 RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1G lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
Replacements For
X12-PRO RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2-PRO lasts 6 months, F1A lasts 12 months, and F3 lasts 24 months.
Replacement Filters
WD-N1-MRO replacement for waterdrop WD-N1-W countertop ro water filtration system
$52.99
Replacement for N1
Buy now
Replacements For
X8-PRO RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2-PRO lasts 6 months, F1G lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Replacements For
X12 Basic RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1G lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
Replacements For
D6 RO System
Enjoy hassle-free filtration with easy 3-second replacements. D6RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
G2P600 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 12 months, MRO lasts 24 months.
Replacement Filters
Bundles
Replacements For
G2P400 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 12 months, MRO lasts 24 months.
Replacement Filters
Bundles
Replacements For
G3P400 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, CB lasts 12 months, and RO lasts 24 months.
Replacement Filters
Bundles
Replacements For
D4 RO System
Enjoy hassle-free filtration with easy 3-second replacements. D4RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
A1 Hot Cold RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, RO lasts 12 months.
Replacement Filters
Bundles
Replacements For
A2 Hot Cold RO System
Enjoy hassle-free filtration with easy 3-second replacements. A2RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
K19 Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. K19RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
K19 Instant Hot RO System
Enjoy hassle-free filtration with easy 3-second replacements. K19RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
C1S Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. C1RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
C1H Instant Hot RO System
Enjoy hassle-free filtration with easy 3-second replacements. C1RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
M1 TrueBoil RO Dispenser
Enjoy hassle-free filtration with easy 3-second replacements. M1RF lasts 12 months.
Replacement Filters
Replacements For
K19-SFK Alkaline RO System
Enjoy hassle-free filtration with easy 3-second replacements. K19 remineralization filter lasts 12 months.
Replacement Filters
Bundles
Replacements For
C1 Alkaline RO System
Enjoy hassle-free filtration with easy 3-second replacements. C1RFG lasts 12 months.
Replacement Filters
Replacements For
N1 Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, MRO lasts 18 months.
Replacement Filters
Bundles
Replacements For
M5 Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. M5RF lasts 12 months.
Replacement Filters
Replacements For
X16 Undersink RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1A lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
WD-N1-MRO replacement for waterdrop WD-N1-W countertop ro water filtration system
$52.99
Replacement for N1
Buy now
Waterdrop N1 Countertop RO System Replacement Filters Set
$128.97
Replacement for N1
Buy now
Replacements For
X12 RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1A lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
WD-N1-MRO replacement for waterdrop WD-N1-W countertop ro water filtration system
$52.99
Replacement for N1
Buy now
Replacements For
G3P800 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, CB lasts 12 months, and RO lasts 24 months.
Replacement Filters
Bundles
Replacements For
G3P600 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, CB lasts 12 months, and RO lasts 24 months.
Replacement Filters
Bundles
Replacements For
K6 Instant Hot RO System
Enjoy hassle-free filtration with easy 3-second replacements. KJF lasts 12 months.
Replacement Filters
Bundles
Replacements For
X8 RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1G lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
Replacements For
X12-PRO RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2-PRO lasts 6 months, F1A lasts 12 months, and F3 lasts 24 months.
Replacement Filters
WD-N1-MRO replacement for waterdrop WD-N1-W countertop ro water filtration system
$52.99
Replacement for N1
Buy now
Replacements For
X8-PRO RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2-PRO lasts 6 months, F1G lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Replacements For
X12 Basic RO System
Enjoy hassle-free filtration with easy 3-second replacements. F2 lasts 6 months, F1G lasts 12 months, and F3 lasts 24 months.
Replacement Filters
Bundles
WD-N1-CF replacement for waterdrop WD-N1-W countertop ro water filtration system
$39.99
Replacement for N1
Buy now
Replacements For
D6 RO System
Enjoy hassle-free filtration with easy 3-second replacements. D6RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
G2P600 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 12 months, MRO lasts 24 months.
Replacement Filters
Bundles
Replacements For
G2P400 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 12 months, MRO lasts 24 months.
Replacement Filters
Bundles
Replacements For
G3P400 RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, CB lasts 12 months, and RO lasts 24 months.
Replacement Filters
Bundles
Replacements For
D4 RO System
Enjoy hassle-free filtration with easy 3-second replacements. D4RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
A1 Hot Cold RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, RO lasts 12 months.
Replacement Filters
Bundles
Replacements For
A2 Hot Cold RO System
Enjoy hassle-free filtration with easy 3-second replacements. A2RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
K19 Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. K19RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
K19 Instant Hot RO System
Enjoy hassle-free filtration with easy 3-second replacements. K19RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
C1S Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. C1RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
C1H Instant Hot RO System
Enjoy hassle-free filtration with easy 3-second replacements. C1RF lasts 12 months.
Replacement Filters
Bundles
Replacements For
M1 TrueBoil RO Dispenser
Enjoy hassle-free filtration with easy 3-second replacements. M1RF lasts 12 months.
Replacement Filters
Replacements For
K19-SFK Alkaline RO System
Enjoy hassle-free filtration with easy 3-second replacements. K19 remineralization filter lasts 12 months.
Replacement Filters
Bundles
Replacements For
C1 Alkaline RO System
Enjoy hassle-free filtration with easy 3-second replacements. C1RFG lasts 12 months.
Replacement Filters
Replacements For
N1 Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. CF lasts 6 months, MRO lasts 18 months.
Replacement Filters
Bundles
Replacements For
M5 Countertop RO System
Enjoy hassle-free filtration with easy 3-second replacements. M5RF lasts 12 months.
Replacement Filters
Reward
Waterdrop Rewards
Earn points for every dollar you spend, and enjoy free shipping on all orders, and more.
Join Now
FAQ
Curious about how the RO filter works? Our FAQ section covers everything from filter lifespan to installation tips for clean, pure water every day.
Contact Us
What is RO replacement filters?
RO replacement filters are essential components used in reverse osmosis water filtration systems. These filters are designed to remove impurities and contaminants such as chlorine, heavy metals, and bacteria, ensuring that your water remains clean, pure, and safe for drinking. Regular reverse osmosis filter replacement is crucial to maintain the system's performance.
How do I know when to replace RO filters?
Waterdrop RO systems come with an intelligent faucet that provides real-time reminders for filter replacement. Depending on usage and water quality, our filters typically last between 6 to 24 months, ensuring you always enjoy pure and safe water.
Why is it important to replace RO filters regularly?
Regularly replacing your RO replacement filters ensures that your system continues to effectively remove harmful substances. This helps prolong the lifespan of your system and guarantees the water you drink remains clean, safe, and free from contaminants. Maintaining a proper filter replacement schedule is crucial to keeping your water filter replacement cartridges functioning at their best.
How do I choose the right RO replacement filter?
To select the right water filter replacement for your system, ensure the filter is compatible with your specific RO system model. For example, if you're using a Waterdrop RO filter replacement, choose filters that are designed specifically for your system to maintain optimal performance and efficiency.
What is the lifespan of an RO replacement filter?
The lifespan of Waterdrop's RO filter is 2 years. Regularly replacing the filters ensures the system performs optimally and continues to provide high-quality drinking water.
What are the steps for replacing an RO filter?
Replacing an RO filter cartridge is easy:

  • Turn off the water supply.
  • Remove the old filter.
  • Install the new replacement filter.
  • Turn the water supply back on and run the system to ensure it’s working properly.


Following these simple steps will ensure a smooth reverse osmosis filter replacement process.
Is it normal for water quality to change after replacing the filter?
After replacing your RO filter replacement, you may notice slight changes in water quality, usually an improvement in taste and clarity. If there are unusual odors or discoloration, you should stop using it and double-check the installation of the RO filter set to ensure everything is working properly.
How should I store unused RO replacement filters?
Store unused RO replacement filters in a cool, dry place away from direct sunlight and humidity. This will help preserve their effectiveness and ensure they work optimally when you’re ready to replace your filter.
Subscription
Save on every shipment

Enjoy savings on every shipment as you receive discounted pricing and benefit from FREE shipping on each replacement filter.


The correct filter, right on time

With our subscription service, you can rest assured that you'll always receive the correct filter at the right time. No more worrying about which filter to reorder - your subscribed filter will be delivered automatically according to the interval you specify.


You're in control

Take control of your filter replacement schedule by updating the frequency directly in your account. If needed, you can also cancel before your next renewal date to avoid any future charges.


Learn More.