Hydrofast C300 All-in-One Countertop RO + Sparkling Water for Home

Hydrofast Official
2026-02-03T07:30:05+01:00

Clean drinking water has become a growing concern for modern households. Tap water might harbor unseen pollutants beyond just bad taste, whereas bottled and sparkling water bring increasing expenses, environmental concerns, and daily hassles. Traditional home water solutions often involve complex installation or fail to deliver true purification and versatility.

Consequently, an increasing number of households are seeking user-friendly, installation-free, multifunctional countertop reverse osmosis water filters. Hydrofast has precisely identified this demand by launching the C300 countertop RO water filter. It innovatively combines purified water, sparkling water supply, and multi-purpose water use, creating a convenient daily experience for users.

Why Is Choosing a Multifunctional Countertop RO Water Filter Important?

A major drinking water concern for many families comes from heavy metals, fluoride, PFAS, and microbes in unpurified tap water. These contaminants ruin the taste of water and harm physical health. The basic filtration systems may improve water taste to some extent, yet they can’t purify water efficiently, nor meet the diverse drinking water needs of the whole family.

Countertop reverse osmosis water filters effectively resolve all concerns related to drinking water in the household.

High-Efficiency Purification: Utilizes advanced RO purification technology to deeply filter tap water, removing heavy metals, fluorides, microorganisms, and other harmful substances for safer drinking water quality.

All-in-One: Integrates water purification, heating, cooling, and sparkling water functions in one unit, saving significant space in the kitchen and living room.

Plug-and-Play: Featuring a tool-free, plug-and-play design, it only needs to be powered on and filled with tap water to use, suiting all types of families.

The Hydrofast C300 countertop RO water filter is a prime example of such devices. It takes functional integration and user experience optimization to a new level, standing out as an ideal choice for upgrading household drinking water equipment.

Why should the Hydrofast C300 be Your Filter of Choice?

Core Purification Technology: A Solid Guarantee for Safe Drinking Water

Purification technology is the core competitiveness of professional household water purifiers. The Hydrofast C300 features a comprehensive countertop water filter system that incorporates a professional 5-stage filtration process and UV sterilization technology, building a multi-layer safety barrier for drinking water.

PP (Polypropylene Sediment Filter): Removes sediment, dust, rust, and other impurities in water

CTO (Coconut Carbon Block Filter): Deeply eliminates residual chlorine and odor, improving water taste

RO (Reverse Osmosis Membrane): Removes 99.99% of bacteria, viruses, and various chemical pollutants

PCF (Post Carbon Fiber): Further adsorbs residual chlorine, odor, and chemical substances

MIN (Mineral Filter): Raises water pH value, releases beneficial minerals such as Na⁺, Ca²⁺, K⁺ and Mg²⁺, and enhances water taste

UV (UV Sterilization): Efficiently inhibits 99.99% of bacteria and microorganisms

The complete filtration and sterilization process safeguards water quality from source to outlet. It not only achieves deep purification but also retains a fresh water taste and avoids the blandness caused by over-filtration of pure water. In addition, the Hydrofast C300 features a real-time water quality monitoring function that displays the TDS values of raw water and purified water simultaneously. The purification effect is directly visible, making drinking water more reassuring.

Versatile Water Experience: One Device Meets All Family Needs

The key highlight of the Hydrofast C300 is that it breaks the single water supply mode of traditional under-sink RO filter systems. Integrating purified water, sparkling water, warm/hot water, and cold water functions in one, it creates a versatile water experience and precisely meets the drinking water needs of family members in different scenarios.

The Hydrofast C300 countertop RO water filter has a built-in sparkling water function, replacing traditional sparkling water makers to enable you to produce sparkling water at home anytime. Simply install a threaded CO₂ cylinder (purchased separately) into the machine, and you can make sparkling water with one click.

1. Sparkling Drinks Anytime

The Hydrofast C300 countertop RO water filter has a built-in sparkling water function. Simply install a threaded CO₂ cylinder (purchased separately) into the machine, and you can make sparkling water with one click.

3 Adjustable Sparkling Levels: It features 3 sparkling concentration levels for free adjustment according to personal taste. The concentration status is clearly shown via indicator lights on the display, and you can easily get light, refreshing bubbles or rich, dense bubbles.

Built-in 7°C Cold Water: Activate the cooling mode with one click for instant 7°C cold water, making it more convenient to prepare iced sparkling water.

2. Multi-Temp Water Output for All Scenarios

Full Temperature Range & Precise Adjustment: It comes with 4 rapid temperature presets: cold, room-temperature, warm, and boiling water. You can also customize the water temperature from 40°C to 100°C, with precise ±1°C adjustment via a short press.

All-Scenario Adaptation for the Whole Family: The multi-temp design precisely caters to the personalized drinking needs of every family member: 45°C warm water is ideal for baby formula preparation, eliminating the hassle of temperature mixing; 85°C hot water suits brewing green and black tea to bring out the maximum tea aroma; 92°C hot water meets coffee brewing needs; and room temperature water is ready for direct drinking anytime.

Equipped with instant heating technology, the Hydrofast C300 dispenses water at any desired temperature instantly—no waiting for boiling, greatly boosting user convenience.

User-Friendly & Practical Design for Daily Use

A high-quality countertop RO water filter for home use is defined by core performance, and distinguished by thoughtful user-friendly design. The Hydrofast C300 is tailored to family needs with considerate details:

Dual water tank design: Equipped with a 5L raw water tank and a 1.5L purified water tank. The large raw water tank reduces refills, meeting the daily water needs of small families. The independent purified water tank allows easy water access and direct pouring for versatile use.

Plug-and-Play & No Installation: Just plug in the power and fill the raw water tank after unboxing to start use—no professional installation required, ideal for small apartments. Its compact body saves counter space and can be placed in the kitchen, living room, bedroom, etc., serving as a convenient mobile water bar at home.

Easy Maintenance & Energy Efficiency: Real-time filter monitoring is supported. Replace the filter in 3 simple steps when it expires, saving much time and maintenance costs. With a 2.5:1 purified-to-waste water ratio, it ensures purified water quality while avoiding water waste, being more energy-saving and eco-friendly.

Hydrofast: Crafted for Quality Living

Guided by the philosophy of safe drinking water and eco-friendly home living, Hydrofast integrates water purification, heating, cooling, and sparkling water generation in one, meeting the diverse drinking water needs of families with a one-stop solution. If you also pursue a high-quality, eco-friendly, and healthy lifestyle and yearn for safe, healthy drinking water, check out the Hydrofast C300—it’s your first step to a healthy, premium drinking water life.