X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
1 / 8

X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD

$189.99
  • RO Filter Replacement for X8 RO System: Tested by SGS, it effectively reduces TDS, PFOA, PFOS, Chlorine, Fluoride, Arsenic, Lead, and more.
  • Precious RO Filtration: (Certified by NSF/ANSI 58 &372. )This reverse osmosis water filter boasts a reinforced 0.0001μm RO membrane to provide you with pure and healthy water.
  • 800G Large Capacity: With an 800GPD fast flow tare, this undersink water system provides you with the convenience and health of instant RO filtration.
  • Efficient & Sustainable: By its 2:1 low drain ratio, this system can produce only one cup of wastewater for every two cups of pure water, which is ideal for daily drinking and cooking.
  • Easy Replacement: This water purifier is designed with an automatic water shut-off function when replacing it. No tools needed, just 3s quick replacement so you always have access to clean, refreshing water at home.

Fast, Free Shipping

30-Day Price Protection

30-Day Worry-Free Returns

24/7 Customer Support

Services and Benefits

Enjoy swift doorstep delivery with every order at no extra cost. Our efficient logistics network ensures your purchases reach you quickly and reliably, so you can start using your new products without delay or hidden fees. Experience convenience that truly moves at your speed.

Enjoy worry-free shopping with our 30-day price protection. If the price drops within 30 days of your purchase, contact us and we’ll refund the difference according to our policy, helping you shop with greater confidence and value.

Shop with complete confidence knowing you have a full month to decide. If you're not satisfied for any reason, our straightforward return process makes it easy to send items back for a prompt refund or exchange—no complicated steps or hassles involved.

Our dedicated support team is available around the clock, every day of the year. Whenever you need assistance, get immediate help via live chat, email, or phone for any questions, ensuring a smooth and supported experience whenever you reach out.

Payment Method

  • VISA
  • Mastercard
  • American Express（AMEX）
  • JCB
  • PayPal
  • Elo
  • Klarna
  • Apple Pay
  • Google Pay
  • Shop Pay
In Stock—Estimated delivery in 3-6 business days.
$189.99
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
X8-F3 Filter for Waterdrop X8 Reverse Osmosis System | 800 GPD
  • Overview
  • FAQs
{{ section.settings.alt | default: section.settings.heading | escape }}
{{ section.settings.alt | default: section.settings.heading | escape }}
{{ section.settings.alt | default: section.settings.heading | escape }}
{{ section.settings.alt | default: section.settings.heading | escape }}
{{ section.settings.alt | default: section.settings.heading | escape }}
{{ section.settings.alt | default: section.settings.heading | escape }}
{{ section.settings.alt | default: section.settings.heading | escape }}

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

How often do I need to replace the F3 filter cartridges for my under-sink RO water purifier?

It should be replaced every 24 months. However, the exact timing can vary depending on your water usage and the tap water quality.

Can I replace the filters myself, or do I need professional help?

Yes, with its easy maintenance design, you can replace the filters in seconds. Be sure to follow the instructions for your model.

What is the maximum flow rate of this under-sink RO water filter?

This undersink RO system boasts an impressive peak flow rate so you can fill up a 6oz cup in 5s. The 800G capacity means you can filter 800 gallons of water per day, making it easy for the whole family to drink without waiting.