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Compatible for
X Series Undersink RO
Save Time and Money—Set Up Auto-Delivery for Worry-Free Replacements
Lifespan
12 Months
Upgrade your kitchen experience! The WD-F1A filter lasts 12 months providing clean, healthy water for your kitchen continuously.
Clean water supply
1,100 Gallons
Perfect for families, this filter handles 1,100 gallons with ease. Replace in seconds—no mess, no tools, no hassle.

Provides up to 12 months for you and your family, based on water condition.

Replacement is completed with simple twist and pull, which takes 3 seconds only without any help of extra tools or a plumber. Simple replacement saves your effort and time greatly.
Why Subscribe?
INSTALLATION
This replacement water filter is designed to be easily replaced by twist-and-pull without any tools.
Curious about how the RO filter works? Our FAQ section covers everything from filter lifespan to installation tips for clean, pure water every day.
It should be replaced every 12 months. However, the exact timing can vary depending on your water usage and the quality of your tap water.
Yes, you can replace the filters in seconds with its easy maintenance design. Be sure to follow the instructions for your model.
Absolutely! This RO filter reintroduces benefit minerals like Ca and Mg right back into the water, and balances the pH to 7.5±, giving you healthy and tasty water.
Waterdrop users rave about the clean, crisp taste and health benefits of filtered water. Read their stories and see why they choose us.
Longer service life: It delivers clean and pure filtered water for a long time. It also provides long-term benefits for your family’s health.
68,000+ people find their water filter here
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