Waterdrop C1S Countertop Reverse Osmosis 3:1 Water Filter CoreRO System Compact

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SKU: WD-C1S

KEY BENEFITS

• Delivers filtered hot water up to 203℉ and room-temperature drinking water

• Features advanced 6-stage reverse osmosis filtration with UV sterilization

• Reduces total dissolved solids, fluoride, arsenic, lead, nitrate, and chlorine

• Space-saving countertop design requires no plumbing or installation

• Real-time water quality and filter status monitoring via smart display

• 3:1 pure water output ratio supports sustainable water usage

The Waterdrop C1S Countertop Reverse Osmosis 3:1 Water Filter CoreRO System Compact is a powerhouse when it comes to filtration. It uses an 6-stage precision RO system with a 0.0001-micron membrane to remove a wide range of contaminants. According to the manufacturer and third-party testing, it effectively reduces:

Total Dissolved Solids (TDS)
PFOA and PFOS (forever chemicals)
Chlorine
Fluoride
Arsenic
Lead
Chromium-VI
Barium
Salt
Sediment
Microplastics
Odors and unpleasant tastes

It’s also NSF/ANSI 58 and 372 certified, meaning it meets rigorous standards for contaminant reduction and lead-free materials. Plus, it includes alkaline remineralization, which adds beneficial minerals back into the water for a smoother taste and a pH around 7.5+

MAIN PURPOSE

The Waterdrop K19-H Countertop RO Water Filter System is engineered to provide instant hot water and clean room-temperature water through an advanced reverse osmosis process. Its space-saving, installation-free design makes it ideal for kitchens, offices, dorms, or travel setups—delivering purified water at your preferred volume and temperature.

PRODUCT OVERVIEW

Combining convenience with water purity, this countertop reverse osmosis system features a 0.0001μm RO membrane alongside UV sterilization for enhanced filtration performance. It efficiently reduces TDS, fluoride, lead, nitrate, arsenic, chlorine, and sediment from your drinking water.

The built-in 5L feed water tank supports household needs with fewer refills, while the intelligent touch display allows you to choose from four preset volumes and a range of temperatures up to 203℉. Its compact size fits easily on most countertops, with no installation or drilling required.

Designed for eco-conscious users, the system delivers a high-efficiency 3:1 ratio of pure water to drain, cutting waste and offering long-term performance backed by smart monitoring and easy filter maintenance.

FEATURES

• 6-Stage Filtration with UV: Removes key contaminants for better-tasting water

• Custom Dispensing Options: Choose from 8oz, 12oz, 16oz, or 20oz volumes

• Adjustable Heating: Dispenses water up to 203℉ for instant beverage preparation

• 5L Tank Capacity: Minimizes refill frequency while supporting household use

• Smart Screen Display: Tracks TDS levels and notifies when filters need replacing

• Portable and Plug-and-Play: No plumbing required, ideal for flexible placement

WHAT’S INCLUDED

• Waterdrop K19-H RO Water Filter System

• Pre-installed RO Composite Filter

• 5L Feed Water Tank

• Power Cord

• User Manual

BASIC INSTALLATION STEPS

1. Place the unit on a stable countertop near a power outlet

2. Fill the water tank with drinking water and reinsert securely

3. Plug in and power on the unit

4. Follow on-screen prompts to flush the system if needed

5. Select temperature and volume settings and start dispensing

PRO TIPS

Clean the water tank regularly to maintain water freshness. Refill when the L1 alert appears to ensure continuous water purification.