How to Measure Your Filter

Steps 1 & 2

Measuring Length and Width (L x W). (If your filter is not a square, the smallest measurement goes first).

Step 3

Measure the thickness (Depth) of your filter from front to back.

Step 4

Put Your measurements together (L x W x D).

Actual Size

A filter’s true dimensions.

Example: 19.75” x 19.75” x 1”

Nominal Size

Rounded numbers used by manufacturers.

Example 20” x 20” x 1”

View Detailed Instructions

Waterdrop C1S Countertop CoreRO System

How to measure your filter
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System
Waterdrop C1S Countertop CoreRO System

Waterdrop C1S Countertop CoreRO System

SKU: WD-C1S
How to measure your filter
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  • In stock, ready to ship
  • Inventory on the way

3:1 Low Drain Ratio

  • Dispensing 3 cups of clean water results in just 1 cup of wastewater, maximizing water savings and delivering significant environmental benefits.

Purity in Every Drop

  • Twist and pull design. Easy for filter replacement.
  • 12-month long service life. Just pay 0.2 dollars every day, and you can continuously enjoy a convenient water purification experience.

Easy Controls with Smart Touch Screen

  • The smart touch screen in this countertop RO water filter provides the TDS level and filter lifespan at a glance. Operating this system is seamless, and obtaining clean, refreshing water is smooth.

About Waterdrop C1S Countertop CoreRO System

Waterdrop CoreRO Systems Launch
Worry-Free Trial | Up to 20% Off
Your First Countertop RO Choice
Buy C1S Basic
Buy C1H Instant Hot
Waterdrop CoreRO Systems Launch2X Points
2X Reward Points on CoreRO system purchases. Redeem your points for a 10% coupon, replacement filters, and more.
Waterdrop CoreRO Systems LaunchGift with Purchase
Receive a 5% OFF coupon (exclusive for C1 replacement filter) with no expiration.
*The discount code will be sent via email within 3 days after the purchase of C1.
Waterdrop CoreRO Systems LaunchWorry-Free Trial
Extended 60-Day Return Period
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Waterdrop CoreRO Systems Launch Waterdrop CoreRO Systems Launch
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5-stage RO Filtration.
wd-product-a1-overview View the report
2:1 Low Drain Ratio
2:1 Low Drain Ratio
Easy to Operate.
Adjustable and Convenient
Choose from 5 preset volume options or set a customized water volume to meet your pure water needs. Now you can enjoy a refined and unique drinking experience with this RO system.
Easy to Operate.
Easy to Operate.
Easy to Operate.
Easy to Operate.
Easy to Operate.

 

Fits Every Countertop.
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Installation-free Design
Put in anywhere you want

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Kitchen
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Living room
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Office
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RV
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Protect the environment.
2:1 Low Drain Ratio
2:1 Low Drain Ratio
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Happy family of three smiling up at the camera
Choosing The Right Furnace Filter

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