Waterdrop Alkaline Countertop CoreRO System C1SL

$269.00

7-Stage Filtration – Reduces TDS, PFOA, PFOS, chlorine, lead, and more; adds alkaline minerals for better health.

Installation-Free – Plug-and-play design with portable pitcher, fridge-friendly for cold water.

Healthy Alkaline Minerals – Adds K, Ca, Na, Mg, adjusts pH to 7.5± for health.

Efficient & Eco-Friendly – 3:1 pure-to-drain ratio, saves 4000+ bottles yearly, 12-month filter lifespan.

Flushing Process – Auto-rinsing feature for filter maintenance, easy refill when needed.


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30-Day Worry-Free Returns

1-Year Warranty

24/7 Customer Support

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$269.00
Waterdrop Alkaline Countertop CoreRO System C1SL
Waterdrop Alkaline Countertop CoreRO System C1SL
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Selling Points Main Image Selling Points Main Image
Installation-free

Installation-free

Compact to fit everywhere

Pure Water Ratio
3:1

Pure Water Ratio

Save 1200% water

7-stage Filtration

7-stage Filtration

0.0001μm RO filtration

Alkaline Minerals

Alkaline Minerals

Smart touch control

Smart touch control

Drinking Water Should Be Easy, Not a Trouble

Common water issues: slow fridge cooling, hot water needing tto cool, tricky under-sink filter installations, and costly bottled watter.

Healthy Before
Healthy After
Compact Before
Compact After
Protable Before
Protable After
Cost & Eco Before
Cost & Eco After
Instant to Get Pure Water Instant to Get Pure Water

Instant to Get Pure Water

The ro water system offers instant filtration and fresh drinking water with no installation required. Simply plug it in and enjoy clean water anytime at home.

Waterdrop Animation Background
Healthy Alkaline Water

Healthy Alkaline Water

Waterdrop reverse osmosis water filter adds beneficial minerals such as K, Ca, Na, Mg and adjusts your water's pH to an optimal 7.5± to make your water clean and healthy.

PH7.5+
0 4 7 10 14
Advanced 7-stage Filtration

Advanced 7-stage Filtration

This water purification system features 0.0001μm ro membrane to reduce TDS, PFOA, PFOS, Chlorine, Salt, Sediment, Lead, Odor, and more in your tap water.

  • Smart Touch Screen

    Smart Touch Screen

    You can easily choose from 6 water volume options for you, while the filter life reminder and Filter Liftspan monitor ensure water quality.

  • Large Water Tank

    Large Water Tank

    110oz high-capacity tank can meet your drinking needs throughout the day without having to replace them frequently.

  • Composite Filter

    Composite Filter

    7-in-1 filter is up to 12 months lifespan, greatly reducing your cost and replacement frequency. And you can easily replace in 3s.

  • Pure Water Tank

    Pure Water Tank

    32oz capacity can meet your daily water needs anywhere in the kitchen, bedroom, office, or even RV ! You can also put it in the fridge to get cold water as you like!

Free-Installation

Free-Installation

Fits any countertop without installation

Save 1200% Water

Sustainability

Save 1200% Water

The countertop water filter features a 3:1 pure water ratio, efficiently saving 4000+bottled water per year for less water and plastic waste.

  • Fits Refrigerator

    Fits Refrigerator

    Enjoy cold water as you like

  • Hydration at work

    Hydration at work

    32oz capacity to meet your needs

  • Daily Using

    Daily Using

    Portable to use in everywhere

  • Certification

    NSF/ANSI 372 Certified

    Protect family's health from lead

    TDS, PFOA, PFOS, Chlorine, Fluoride, Barium, Arsenic, Salt, Sediment, Chromium-VI, Lead, Microplastics, Odor and more

    A1 is NSF/ANSI 372 certified, ensuring it is made from lead-free materials for your safety and peace of mind.

  • Certification

    SGS Tested for Cleaner Water

    Reduced substances

    Lead, TDS, PFOA, PFOS, Fluoride, Chlorine, Copper, Arsenic, More impurities

    Claim of reduction verified by third-party laboratory testing.

    View the Report

REVIEW

Hear From Our Pros

Find out why professionals trust our filtration systems. Watch the video to see why it’s time for clean, refreshing water!

C1SL
Specification
C1SL
Model
C1SL
Pure to Drain
3:1
Product Dimensions (In)
11.7" x 8.3" x 13.7"
Product Weight (Ib)
14
Certification
NSF/ANSI 58 & 372
Filtration
7-stage Filtration
Capacity
75GPD

In The Box (4)

User Manual
  • System x1

    System

  • C1RFG Filter x1

    C1RFG Filter

  • Water Tank x1

    Water Tank

  • Guide Book x1

    Guide Book

Compare   CoreRO

Compare
CoreRO

Waterdrop Alkaline Countertop CoreRO System C1SL

C1SL

$269.00
Waterdrop C1H Instant Hot Water  Reverse Osmosis System

C1H

$239.00
$299.00 $60 off
Waterdrop C1S Countertop CoreRO System

C1S

$199.00
$249.00 $50 off
Flow Rate
Flow Rate 75GPD 75GPD 75GPD
Alkaline Mineralization
Alkaline Mineralization × ×
Pure to Drain
Pure to Drain 3:1 3:1 3:1
Faucet
Faucet ---
Filter Lifespan
Filter Lifespan
Average Annual Cost
Average Annual Cost $69.99 $59.00 $59.00
Warranty
Warranty 1 Year 1 Year 1 Year
Certification
Certification NSF/ANSI 58 & 372 NSF/ANSI 58 & 372 Certified NSF/ANSI 372
Product Dimensions (In)
Product Dimensions (In) 11.7" x 8.3" x 13.7" 11.7*8.3*13.7 11.7" x 8.3" x 13.7"
Product Weight (Ib)
Product Weight (Ib) 14 14 14
Model
Model C1SL C1H C1S
Filtration
Filtration 7-stage Filtration 6-stage Filtration 6-stage Filtration
Capacity
Capacity 75GPD 75GPD 75GPD
Usage
Usage -Indoor -
Electricity Required
Electricity Required -Yes -

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Review

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Waterdrop users rave about the clean, crisp taste and health benefits of filtered water. Read their stories and see why they choose us.

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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

Does this countertop RO water system need to be drilled?

No ! You can use water filtration right away without needing to install it. Just plug it into a power outlet and it's ready to make clean water.

Is this water filter big? I have limited countertop space.

No, it's designed to be compact and small. It fits easily on your counter without taking up much room.

What is the alkaline mineralization function?

The mineralization function adds healthy minerals to your water, so you get beneficial elements like calcium, magnesium and more.

Does this purifier waste a lot of water?

No, it has a high 3:1 pure water ratio. It's efficient and wastes less water compared to other RO systems.

How often do I need to change the filters?

The filters last 12 months, so you won't need to change them often. This saves you money in the long run.

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